4-Bay NAS Deals – Prime Big Deal Days 2026
Four bays is where RAID 5 and SHR start to make sense: one drive's worth of protection, three drives of usable space. It is also the most crowded price band on Amazon.com, with UGREEN, QNAP, Synology, TerraMaster and LincStation all competing, so the price per bay column is the fastest way to compare them.
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Nothing here is at a tracked low, because we hold no price history for these listings before this week. The lowest-ranked row is the LincStation E1 at $175.99 against Amazon's own reference price of $219.99, with no verdict claimed.
Worth checking out today
Few 4-Bay NAS listings have enough price history with us to call a tracked low yet, so these are the standouts on Amazon.com today: Prime-exclusive offers first, then the deepest cuts against Amazon's own reference price. Amazon's reference is its figure, not our price record.
4-Bay NAS prices checked against our history
| Product | Size | Price | Was | Per unit | Verdict | Prime | 90 days | Buy |
|---|---|---|---|---|---|---|---|---|
| LincStation E1LincStation E1 4-Bay NAS Storage, Quad-Core 2.0GHz, 4GB RAM, 64GB eMMC, 2.5GbE Port & 4K HDMI 2.0, Supports M.2 NVMe SSD & SATA HDD Up to 76TB, Remote Access for iOS/Android/Windows (Diskless) | 4-bay | $175.99 | $219.99Amazon ref. | $44/bay | No history yet | Prime deal | - | Buy on Amazon |
| QNAP TS-433QNAP TS-433-4G-US 4 Bay NAS | 4-bay | $476.88 | - | $119/bay | No history yet | - | - | Buy on Amazon |
| QNAP TS-464QNAP TS-464-8G-US 4 Bay Desktop NAS | 4-bay | $494.00 | $639.00Amazon ref. | $124/bay | No history yet | Prime deal | - | Buy on Amazon |
| UGREEN NASync DXP4800 PlusUGREEN DXP4800 Plus 4-Bay NAS for Families, Creators & Small Teams | 4-bay | $583.99 | $729.99Amazon ref. | $146/bay | No history yet | Prime deal | - | Buy on Amazon |
| TerraMaster F4-424 ProTERRAMASTER F4-424 Pro NAS 4-Bay, Core i3-N305 8-Core, 32GB DDR5 (Diskless) | 4-bay | $644.99 | $859.99Amazon ref. | $161/bay | No history yet | Prime deal | - | Buy on Amazon |
| TerraMaster F4-425 PlusTERRAMASTER F4-425 Plus NAS 4-Bay, Intel N95 4-Core CPU, 8GB RAM (Diskless) | 4-bay | $649.99 | - | $162/bay | No history yet | - | - | Buy on Amazon |
| UGREEN NASync DXP4800 GTUGREEN NAS DXP4800 GT 4-Bay for Creators, Tech Enthusiasts and Office Teams | 4-bay | $659.99 | - | $165/bay | No history yet | - | - | Buy on Amazon |
| UGREEN NASync DXP4800 ProUGREEN NAS DXP4800 Pro 4-Bay for IT Professionals, Developers & Power Users | 4-bay | $699.99 | $799.99Amazon ref. | $175/bay | No history yet | - | - | Buy on Amazon |
| Synology DS925+Synology 4-Bay DiskStation DS925+ (Diskless) | 4-bay | $756.49 | $889.99Amazon ref. | $189/bay | No history yet | - | - | Buy on Amazon |
Verdicts: Our tracked low is at or below the lowest price we recorded before today; within 3% is close to it; cut vs list only is below Amazon's reference price but above our low; no history yet means we make no claim. The 90-day line shades the event days. Was prices are Amazon's reference prices.
We have no price record from before this week for the listings on this page, so we make no claim beyond showing Amazon's own reference price. Of 9 rows, 0 are at or near our low, 0 are cut only against Amazon's list price, 0 cost more than usual, and 9 have no history yet. A 4-bay enclosure is a small share of a filled array's cost this year; four 16TB drives can cost more than twice the NAS itself. Hard drive prices have risen through 2026 on AI datacenter demand (why hard drives cost more in 2026), so a price that only matches our low is a better outcome than in an ordinary year.
Fill cost with today's hard drive prices
Enclosure plus the cheapest new CMR NAS drives in stock today, and the same capacity bought as shucked externals. Usable space comes from our RAID calculator (after about 9% formatting overhead).
UGREEN NASync DXP4800 Plus at $583.99 with 4 drives
| Drives | New CMR drives | Total, new | Shucked drives | Total, shucked | Usable, RAID 5 | Usable, RAID 6 |
|---|---|---|---|---|---|---|
| 4 x 12TB | 4 x $329.99HGST Ultrastar 12TB | $1,903.95 | 4 x $517.96WD My Book 12TB | $2,655.83 | 32.7 TB | 21.8 TB |
| 4 x 14TB | 4 x $515.00Seagate IronWolf 14TB | $2,643.99 | 4 x $598.94WD easystore 14TB | $2,979.75 | 38.2 TB | 25.5 TB |
| 4 x 22TB | 4 x $795.99Toshiba N300 22TB | $3,767.95 | 4 x $956.99WD Elements 22TB | $4,411.95 | 60.0 TB | 40.0 TB |
QNAP TS-464 at $494.00 with 4 drives
| Drives | New CMR drives | Total, new | Shucked drives | Total, shucked | Usable, RAID 5 | Usable, RAID 6 |
|---|---|---|---|---|---|---|
| 4 x 12TB | 4 x $329.99HGST Ultrastar 12TB | $1,813.96 | 4 x $517.96WD My Book 12TB | $2,565.84 | 32.7 TB | 21.8 TB |
| 4 x 14TB | 4 x $515.00Seagate IronWolf 14TB | $2,554.00 | 4 x $598.94WD easystore 14TB | $2,889.76 | 38.2 TB | 25.5 TB |
| 4 x 22TB | 4 x $795.99Toshiba N300 22TB | $3,677.96 | 4 x $956.99WD Elements 22TB | $4,321.96 | 60.0 TB | 40.0 TB |
Synology DS925+ at $756.49 with 4 drives
| Drives | New CMR drives | Total, new | Shucked drives | Total, shucked | Usable, RAID 5 | Usable, RAID 6 |
|---|---|---|---|---|---|---|
| 4 x 12TB | 4 x $329.99HGST Ultrastar 12TB | $2,076.45 | 4 x $517.96WD My Book 12TB | $2,828.33 | 32.7 TB | 21.8 TB |
| 4 x 14TB | 4 x $515.00Seagate IronWolf 14TB | $2,816.49 | 4 x $598.94WD easystore 14TB | $3,152.25 | 38.2 TB | 25.5 TB |
| 4 x 22TB | 4 x $795.99Toshiba N300 22TB | $3,940.45 | 4 x $956.99WD Elements 22TB | $4,584.45 | 60.0 TB | 40.0 TB |
Frequently asked questions
RAID 5 or RAID 6 on four drives?
RAID 5 keeps three drives of space and survives one failure. RAID 6 keeps two and survives two. With 16TB and larger drives, rebuilds take a day or more, which is why many owners accept the RAID 6 cost.
Which 4-bay NAS is cheapest per bay today?
The price per bay column ranks it live. Compare like with like: an ARM unit is a cheaper per bay figure but not a Plex transcoder, while the Intel models cost more per bay and do more.
Can I mix drive sizes in a 4-bay NAS?
Synology SHR and Unraid use mixed sizes efficiently. Classic RAID 5 limits every drive to the smallest one, so buy matching drives if you use UGREEN or QNAP RAID.
Will 4-bay NAS prices fall further by Black Friday?
Enclosure prices tend to repeat their sale price on Black Friday, 27 November, rather than fall further. The drives are the bigger variable during the shortage.