Updated 1 hour ago · Specifications verified September 1, 2026

Choose the Best Drives for UGREEN iDX6011

Six-drive economics, not one misleading lowest-price listing

As an Amazon Associate we earn from qualifying purchases. Prices and availability come from Amazon.com as of the last update and may change.

Quick answer

For most iDX6011 owners, buy six matched new SATA CMR NAS drives such as IronWolf, Red Plus/Pro or Toshiba N300, then choose RAID 6 when the data matters. Enterprise Exos or Ultrastar can deliver strong high-capacity value but may be louder. The live table excludes SAS, USB externals, enclosures, portable SSDs, accessories, non-new stock and implausible price-per-TB listings.

As of October 27, 2026

Best price per TB

$33.28

In-stock listings in the tables on this page

Prices updated

1 hour ago

Pre-filled for the UGREEN iDX6011: 6 bays, up to 32TB per bay.

RAID levelNumber of drivesSize per drive (TB)

Common sizes

Usable capacity

36.38 TB

Raw total

48.00 TB

Protection overhead

8.00 TB

Fault tolerance

1 drive

Live drive cost

$1597

Usable price per TB

$43.91

With 6x 8TB in RAID 5 you get about 36.38 TB usable and 1-drive fault tolerance. At the cheapest live NAS price per terabyte ($33.28/TB), filling these bays costs about $1597.

Usable capacity is shown after binary and filesystem overhead (about 9%). Fault tolerance is not a backup; keep a separate copy of important data.

Live new SATA CMR HDDs for the iDX6011

Price per

Sort

60 products

Product	Capacity	Price	$ / TB	Type	Prime	Buy
Western Digital Ultrastar DC HC550 18 TB Hard Drive - 3.5 Internal - SATA	18 TB	$599.00	$33.28	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 3.5" Internal - SATA (SATA/600)	12 TB	$444.99	$37.08	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
TOSHIBA N300 Internal Hard Drive 22 Tb 7200 RPM 512 Mb 3.5", W129161818 (Tb 7200 RPM 512 Mb 3.5 Serial Ata Iii)	22 TB	$831.00	$37.77	NAS HDD · SATACMR	-	Buy on Amazon
Toshiba - HDWG82AXZSTB - Toshiba N300 Pro HDWG82AXZSTB 20 TB Hard Drive - 3.5 Internal - SATA (SATA/600) - Conventional	20 TB	$766.99	$38.35	NAS HDD · SATACMR	-	Buy on Amazon
Seagate Enterprise 3.5" 18000 GB 7200 RPM 18 TB 3.5" 7200 RPM SATA ST18000NM00J	18 TB	$694.00	$38.56	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Toshiba MG Series Enterprise 14TB 3.5’’ SATA 6Gbit/s Internal HDD 7200RPM 550TB/year 24/7 Operation. MG07ACA14TE	14 TB	$539.99	$38.57	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Toshiba MG Series Enterprise 12TB 3.5’’ SATA 6Gbit/s Internal HDD 7200RPM 550TB/year 24/7 Operation. MG07ACA12TE	12 TB	$469.99	$39.17	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate IronWolf Pro, 16 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST16000NT001)	16 TB	$629.99	$39.37	NAS HDD · SATACMR	-	Buy on Amazon
Seagate Enterprise Capacity \| ST10000NM0016 \| 10TB 7200 RPM SATA 6.0Gb/s 256MB Cache Hyperscale 512e 3.5" Hard Disk Drives	10 TB	$399.95	$39.99	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate Exos X10 ST10000NM0126 10TB 7200 RPM SATA 6Gb/s 512e 256MB 3.5in Enterprise Hard Drive	10 TB	$399.99	$40.00	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
DC HC550 16TB 512MB SATA Ultra SE NP3	16 TB	$649.45	$40.59	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Western Digital WUH721414ALE6L4 14TB Ultrastar DC HC530 SATA HDD - 7200 RPM Class, SATA 6 Gb/s, 512MB Cache, 3.5"	14 TB	$581.00	$41.50	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Western Digital 18TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD181KFGX	18 TB	$752.99	$41.83	NAS HDD · SATACMR	-	Buy on Amazon
Toshiba - HDWG81GXZSTB - Toshiba N300 Pro HDWG81GXZSTB 16 TB Hard Drive - 3.5 Internal - SATA (SATA/600) - Conventional	16 TB	$677.08	$42.32	NAS HDD · SATACMR	-	Buy on Amazon
Toshiba MG Series Enterprise 14TB 256MB Cache 7200RPM SATA 6.0Gb/s 3.5" Internal Enterprise Hard Drive (MG08ACA14TE)	14 TB	$599.99	$42.86	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate 14TB HDD Exos X14 7200 RPM 512e/4Kn SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive (ST14000NM0018)	14 TB	$600.00	$42.86	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
HGST WD Ultrastar DC HC510 10TB 7200 RPM SATA 6Gb/s 3.5" Helium Platform Enterprise Hard Disk Drive - HUH721010ALE604 (0F27606)	10 TB	$429.00	$42.90	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001)	20 TB	$879.99	$44.00	NAS HDD · SATACMR	-	Buy on Amazon
Seagate IronWolf Pro 24TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 512MB Cache for RAID Network Attached Storage, Rescue Services (ST24000NT002)	24 TB	$1,059.99	$44.17	NAS HDD · SATACMR	-	Buy on Amazon
Seagate Exos 7E8 6TB Internal Hard Drive Enterprise HDD – CMR 3.5 Inch 512E SATA 6Gb/s 7200 RPM 128MB Cache for Enterprise, Data Center – Frustration Free Packaging (ST6000NM021A)	6 TB	$266.02	$44.34	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGXSold by Amazon	12 TB	$533.81	$44.48	NAS HDD · SATACMR	Prime	Buy on Amazon
Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGXSold by Amazon	16 TB	$714.99	$44.69	NAS HDD · SATACMR	Prime	Buy on Amazon
Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD202KFGXSold by Amazon	20 TB	$894.78	$44.74	NAS HDD · SATACMR	Prime	Buy on Amazon
Toshiba MG09ACA18TE 18 TB Hard Drive - 3.5 Internal - SATA [SATA/600]	18 TB	$809.00	$44.94	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate IronWolf 10Tb NAS Internal Hard Drive HDD – 3.5 Inch SATA 6GB/S 7200 RPM 256MB Cache for Raid Network Attached Storage (ST10000VN0004)	10 TB	$450.00	$45.00	NAS HDD · SATACMR	-	Buy on Amazon
Western Digital 12TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD122KFBXSold by Amazon	12 TB	$539.99	$45.00	NAS HDD · SATACMR	Prime	Buy on Amazon
Seagate IronWolf Pro 14TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 256MB Cache for RAID Network Attached Storage, Data Recovery Service – Frustration Free Packaging (ST14000NEZ008)	14 TB	$631.00	$45.07	NAS HDD · SATACMR	-	Buy on Amazon
HGST - WD Ultrastar DC HC520 HDD \| HUH721212ALE600 \| 12TB 7.2K SATA 6Gb/s 256MB Cache 3.5-Inch Helium Data Center Internal Hard Disk Drive	12 TB	$541.45	$45.12	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate IronWolf 10TB NAS Internal Hard Drive, 3.5" SATA 6Gb/s, 7200 RPM, CMR, RAID Optimized, IronWolf Health Management – for NAS Systems (ST10000VNZ00)	10 TB	$455.58	$45.56	NAS HDD · SATACMR	-	Buy on Amazon
Seagate IronWolf 10TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, with Rescue Service (ST10000VN0008)	10 TB	$459.00	$45.90	NAS HDD · SATACMR	-	Buy on Amazon
Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGXSold by Amazon	10 TB	$459.99	$46.00	NAS HDD · SATACMR	Prime	Buy on Amazon
Western Digital Ultrastar DC HC580 WUH722424ALE604 0F62798 24TB 7.2K RPM SATA 6Gb/s 512e 3.5in Enterprise Hard Drive	24 TB	$1,106.90	$46.12	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate Exos X18 Enterprise Class, 16TB, Enterprise Internal Hard Drive, SATA, 3,5" 6Gbit/s, 128MB Cache (ST16000NM000J)	16 TB	$739.96	$46.25	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate IronWolf 14TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 256MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST14000VN0008)	14 TB	$649.98	$46.43	NAS HDD · SATACMR	-	Buy on Amazon
Western Digital Ultrastar DC HC550 WUH721816ALE6L4 0F38462 16TB 7.2K RPM SATA 6Gb/s 512e 512MB 3.5" SE HDD	16 TB	$744.45	$46.53	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate IronWolf Pro, 14 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST14000NT001)	14 TB	$654.45	$46.75	NAS HDD · SATACMR	-	Buy on Amazon
Seagate IronWolf Pro 16TB 7200 RPM SATA 6Gb/s 3.5" NAS HDD (ST16000NE000)	16 TB	$748.46	$46.78	NAS HDD · SATACMR	-	Buy on Amazon
Western Digital 16TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD161KRYZSold by Amazon	16 TB	$754.99	$47.19	Enterprise HDD · SATACMREnterprise	Prime	Buy on Amazon
Exos X24 3.5" Internal Hard Drive, 12TB, Single, SATA III 6 Gb/s \| 2.5M-hour MTBF, 550TB/year Workload Rating, 285MB/s Transfer Rate, Data Centers, RAID, Backup	12 TB	$569.99	$47.50	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Western Digital 18TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181KRYZ	18 TB	$854.99	$47.50	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate Exos X18 ST18000NM001J 18 TB Hard Drive - Internal - SATA (SATA/600)	18 TB	$859.45	$47.75	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate IronWolf 16TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6GB/S 7200 RPM 256MB Cache for Raid Network Attached Storage, with Rescue Service (ST16000VN001)	16 TB	$764.44	$47.78	NAS HDD · SATACMR	-	Buy on Amazon
Seagate IronWolf ST16000VN001 16 TB Hard Drive - 3.5" Internal - SATA (SATA/600)	16 TB	$764.74	$47.80	NAS HDD · SATACMR	-	Buy on Amazon
Western Digital 14TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD141KRYZ	14 TB	$670.00	$47.86	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Enterprise 28TB SATA 6Gb/s Hard Drive - Seagate Exos M ST28000NM003K	28 TB	$1,343.24	$47.97	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD60EFPX	6 TB	$289.99	$48.33	NAS HDD · SATACMR	-	Buy on Amazon
WD WUS721010ALE6L4 Ultrastar DC HC330 0B42266 10TB 7200 RPM SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive	10 TB	$484.45	$48.45	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate IronWolf 18TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, Rescue Services – Frustration Free Packaging (ST18000VNZ00)	18 TB	$874.45	$48.58	NAS HDD · SATACMR	-	Buy on Amazon
Western Digital WUH721816ALE6L4 3.5" 16TB SATA 6Gb/s7.2K RPM 512M 0F38462 512e/4Kn HDD	16 TB	$784.45	$49.03	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate IronWolf Pro 14 TB NAS RAID Internal Hard Drive - 7,200 RPM SATA 6 Gb/s 3.5-inch (ST14000NE0008)	14 TB	$689.20	$49.23	NAS HDD · SATACMR	-	Buy on Amazon
Western Digital 12TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD122KRYZSold by Amazon	12 TB	$594.99	$49.58	Enterprise HDD · SATACMREnterprise	Prime	Buy on Amazon
WD Red Pro 18TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR, 512MB Cache	18 TB	$894.45	$49.69	NAS HDD · SATACMR	-	Buy on Amazon
Seagate IronWolf Pro ST12000NE0008 12 TB Hard Drive - 3.5" Internal - SATA (SATA/600)	12 TB	$599.00	$49.92	NAS HDD · SATACMR	-	Buy on Amazon
Seagate IronWolf Pro 3.5" 12TB HDD with Data Recovery Service 5 Year Warranty 256MB 7200rpm 24 Hours Service for PC NAS RV Sensor ST12000NE0008	12 TB	$599.00	$49.92	NAS HDD · SATACMR	-	Buy on Amazon
Western Digital Ultrastar WUH722020CLE6L4 20 TB Hard Drive - 3.5" Internal - SATA - Energy-Assisted Magnetic Recording (EAMR) Method	20 TB	$999.00	$49.95	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Toshiba 4TB Enterprise Internal Hard Drive – MG Series 3.5" SATA HDD for Server, Storage, 24/7 Operation, Hyperscale, Cloud (MG04ACA400E)	4 TB	$199.99	$50.00	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
WD Red Plus 6TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, CMR, 256MB Cache	6 TB	$299.99	$50.00	NAS HDD · SATACMR	-	Buy on Amazon
Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD80EFZZ	8 TB	$399.99	$50.00	NAS HDD · SATACMR	-	Buy on Amazon
Seagate 8TB Enterprise Capacity 3.5 HDD 7200RPM SATA 6Gbps 256 MB Cache Internal Bare Drive (ST8000NM0055)	8 TB	$400.00	$50.00	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate IronWolf 10TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache RAID Network Attached Storage Home Servers - (ST10000VN0008)	10 TB	$500.00	$50.00	NAS HDD · SATACMR	-	Buy on Amazon

Renewed, refurbished and used listings

Shown for reference. These are not counted in the best price per TB above, and warranty terms differ from new drives.

Price per

Sort

20 products

Product	Capacity	Price	$ / TB	Type	Prime	Buy
Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" -WD60EFZXUsedSold by Amazon	6 TB	$148.30	$24.72	NAS HDD · SATACMR	Prime	Buy on Amazon
MDD MAXDIGITALDATA MDD (MDD14TSATA25672E) 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5'' Internal Enterprise Hard Drive - 5 Years Warranty (Renewed)Renewed	14 TB	$349.99	$25.00	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Toshiba 14TB SATA 512e 256MB Cache 7200RPM 3.5" SATA 6.0Gb/s Enterprise Hard Drive - MG07ACA14TE (Renewed)Renewed	14 TB	$354.00	$25.29	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
MDD MAXDIGITALDATA MDD (MDD14TSATA25672E) 14TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Enterprise Hard Drive - 5 Years Warranty (Renewed)Renewed	14 TB	$359.99	$25.71	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate Exos x12 12TB SATA 6Gb/s 256MB Cache Enterprise Hard Drive 3.5in (ST12000NM0127) (Renewed)Renewed	12 TB	$317.99	$26.50	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate Exos X14 ST12000NM0008 12 TB Hard Drive - 3.5" Internal - SATA (SATA/600)Used	12 TB	$319.59	$26.63	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
MDD (MDD12TSATA25672E) 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5-inch Internal Enterprise Hard Drive - 5 Years Warranty (Renewed)Renewed	12 TB	$319.99	$26.67	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate Constellation ES.3 ST4000NM0033 4 TB Hard Drive - 3.5 Internal - SATAUsed	4 TB	$107.00	$26.75	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
HP/Western Digital Ultrastar DC HC550 WUH721818ALE600 0F38492 18TB 7200 RPM SATA 6Gb/s 512e 512MB Cache Power Disable 3.5in Enterprise Hard Drive MB018000GXLAV P37677-001 (Renewed)Renewed	18 TB	$488.00	$27.11	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Western Digital 14TB Ultrastar DC HC530 SATA HDD - 7200 RPM Class, SATA 6 Gb/s, 512MB Cache, 3.5" - WUH721414ALE604 (Renewed)Renewed	14 TB	$379.99	$27.14	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Western Digital 14TB Ultrastar DC HC530 SATA HDD - 7200 RPM, SATA 6 Gb/s, 512MB Cache, 3.5" - WUH721414ALE604 (Renewed)Renewed	14 TB	$389.99	$27.86	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
HGST - WD Ultrastar DC HC520 HDD \| HUH721212ALE601 \| 12TB 7200RPM SATA 6Gb/s 256MB Cache 3.5-Inch \| ISE 512e \| Helium Data Center Internal Hard Disk Drive (Renewed)Renewed	12 TB	$339.49	$28.29	Enterprise HDD · SATACMREnterprise	-	Buy on Amazon
Seagate Exos 26TB Internal Hard Drive HDD - 3.5 in CMR SATA 6Gb/s, 7200 RPM, 512MB Cache, 2.5M MTBF (ST26000NM000C) (Renewed)Renewed	26 TB	$799.00	$30.73	Enterprise HDD · SATARecording type not confirmed by SeagateNASEnterprise	-	Buy on Amazon
MDD (MDD26TSATA51272E) 26TB 7200RPM 512MB Cache SATA 6.0Gb/s 3.5inch Internal Enterprise Hard Drive - 5 Years Warranty (Renewed)Renewed	26 TB	$819.99	$31.54	Enterprise HDD · SATARecording type not confirmed by MDDNASEnterprise	-	Buy on Amazon
Seagate Exos ST26000NM001C 26TB 7200 RPM SATA 6Gb/s 512e 3.5in Enterprise Hard Drive (Renewed)Renewed	26 TB	$829.99	$31.92	Enterprise HDD · SATARecording type not confirmed by SeagateNASEnterprise	-	Buy on Amazon
MDD (MDD28TSATA51272E) 28TB 7200RPM 512MB Cache SATA 6.0Gb/s 3.5inch Internal Enterprise Hard Drive - 5 Years Warranty (Renewed)Renewed	28 TB	$899.99	$32.14	Enterprise HDD · SATARecording type not confirmed by MDDNASEnterprise	-	Buy on Amazon
Seagate Exos ST26000NM002C 26TB 7200RPM 512e SATA 6Gb/s 512MB Cache 3.5-Inch Enterprise Hard Drive (Renewed)Renewed	26 TB	$849.99	$32.69	Enterprise HDD · SATARecording type not confirmed by SeagateNASEnterprise	-	Buy on Amazon
Seagate Exos 28TB Internal Hard Drive HDD - 3.5 in CMR SATA 6Gb/s, 7200 RPM, 512MB Cache, 2.5M MTBF - ST28000NM000C (Renewed)Renewed	28 TB	$919.99	$32.86	Enterprise HDD · SATARecording type not confirmed by SeagateNASEnterprise	-	Buy on Amazon
MDD (MDD24TSATA51272E) 24TB 7200RPM 512MB Cache SATA 6.0Gb/s 3.5inch Internal Enterprise Hard Drive - 5 Years Warranty (Renewed)Renewed	24 TB	$789.99	$32.92	Enterprise HDD · SATARecording type not confirmed by MDDNASEnterprise	-	Buy on Amazon
Seagate Exos ST24000NM001C 24TB 7200RPM 512e SATA 6Gb/s 512MB Cache 3.5-Inch Enterprise Hard Drive (Renewed)Renewed	24 TB	$789.99	$32.92	Enterprise HDD · SATARecording type not confirmed by SeagateNASEnterprise	-	Buy on Amazon

Live cost to populate every bay

Configuration	Raw	Est. usable	Lowest live new-drive total	Usable $/TB
6 × 8TB	48TB	29.1TB	$2,399.94	$82.46
6 × 12TB	72TB	43.7TB	$2,669.94	$61.16
6 × 16TB	96TB	58.2TB	$3,779.94	$64.94
6 × 20TB	120TB	72.8TB	$4,601.94	$63.25
6 × 24TB	144TB	87.3TB	$6,359.94	$72.84
6 × 28TB	168TB	101.9TB	$8,059.44	$79.12
6 × 32TB	192TB	116.4TB	No matching live new drive	n/a

Usable estimates assume one-drive protection and include the calculator's binary/filesystem allowance. Open the calculator for SHR-2 or RAID 6.

Best drive category by priority

Use case	Best choice	Why
Best overall	Mainstream NAS CMR	Balanced acoustics, workload rating, warranty and array support.
Lowest realistic new $/TB	Qualified table leader	Price matters only after interface, condition and product class are validated.
High capacity	20–28TB CMR after compatibility check	Fewer migrations and more usable space, with longer rebuild exposure.
Quiet room	Lower-RPM NAS family	Enterprise seek noise can dominate a six-bay desktop chassis.
Heavy workload	Enterprise or NAS Pro	Higher workload ratings and longer warranties suit constant multi-user traffic.
Budget	Smaller new NAS CMR	Keep warranty and compatibility rather than buying suspicious capacity.

Six-bay capacity examples

Drives	Raw	Approx. RAID 6 usable	Planning context
6 × 8TB	48TB	29.1TB	Backups, photos and a modest media library
6 × 16TB	96TB	58.2TB	Large media or creator archive
6 × 20TB	120TB	72.8TB	High-capacity home lab
6 × 24TB	144TB	87.3TB	Long-retention backup and media
6 × 30TB	180TB	109.1TB	Validate exact model and firmware first
6 × 32TB	192TB	116.4TB	Near the published combined ceiling; compatibility check mandatory

CMR, workload, noise and rebuilds

CMR writes tracks independently and is the appropriate technology for parity arrays. SMR can suffer long sustained rewrites and difficult rebuild behavior. Workload ratings are not failure predictions; they describe the vendor's intended annual activity envelope and help separate quiet home drives from heavier enterprise duty.

A six-drive rebuild reads a large amount of data while the pool is degraded. RAID 6 protects against a second disk failure during that window, but it does not replace backups. Monitor health, keep a tested spare strategy and avoid mixing unknown used drives into a new primary array.

Independent US storage-value site: NAS drives, DIY/TrueNAS build parts, and hard-drive shucking, ranked by live $/TB. Not affiliated with or endorsed by Synology, UGREEN, QNAP, TerraMaster, Seagate, Western Digital or Toshiba. All trademarks belong to their owners.

Last updated: 2026-10-27 12:02:32 UTC. As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date indicated on Amazon.com and are subject to change. Any price displayed at the time of purchase will apply. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON SERVICES LLC. THIS CONTENT IS PROVIDED AS IS AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.