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4-Bay NAS Devices

All NAS Devices

8 4-Bay NAS devices from QNAP, Synology, Buffalo and more. Most cost $660 to $2,299, and half cost less than $898.

All filtersFilters (2)×
Bays: 4  ×Processor: AMD  ×Clear all
BrandQNAP3Synology3UGREEN2
Bays48
ProcessorIntel25ARM16AMD8
Memory8GB54GB3
Fastest port2.5GbE610GbE2
DrivesDiskless3Drives included3
BodyDesktop4
PriceUnder $7002Under $8001Under $9001$500 & above7$700 & above5$1,500 & above3$2,500 & above1
Clear allShow 8 NAS Devices
Bays: 4  ×Processor: AMD  ×8 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
UGREENSpec score 9.1

4 Bays, AMD, 8GB, 10GbE

+Four drive bays for a larger storage pool
+M.2 slot for an SSD cache or fast storage
+10GbE network port for fast transfers
−Diskless, drives must be bought separately
$659.99
as of 11/04/2026 10:09 PST - Details
UGREENSpec score 8.6

4 Bays, AMD, 8GB, 10GbE

+Four drive bays for expanding storage capacity
+10GbE network port for fast network transfers
+AMD processor with 8GB RAM
−Ships diskless, so drives must be purchased separately
$654.62-2%List: $667.98
as of 11/04/2026 03:05 PST - Details
QNAPSpec score 8.2

4 Bays, AMD, 8GB, 2.5GbE

+Four drive bays for expanding storage capacity
+M.2 slots for fast cache or SSD storage
+2.5GbE network port for faster transfers
−Diskless, so drives must be bought separately
$898.28
as of 11/04/2026 06:09 PST - Details
SynologySpec score 8.2

4 Bays, AMD, 4GB, 2.5GbE

+Four drive bays for expanding storage capacity
+Includes four 4TB Seagate IronWolf drives for 16TB
+Two 2.5GbE ports for faster network transfers
−Desktop form factor takes up desk space
$2,199.00
as of 11/04/2026 10:09 PST - Details
SynologySpec score 8.2

4 Bays, AMD, 4GB, 2.5GbE

+Four drive bays for expanding storage capacity
+Includes four 4TB WD Red Plus drives for 16TB
+Two 2.5GbE ports for faster network transfers
−Desktop form factor takes up desk space
$2,299.00
as of 11/04/2026 09:07 PST - Details
SynologySpec score 7.7

4 Bays, AMD, 4GB, 2.5GbE

+Four drive bays for expanding storage capacity
+Supports expansion up to nine bays
+2.5GbE network port for faster transfers than standard gigabit
−Drives are not included, so you must buy them separately
$769.99
as of 11/04/2026 09:07 PST - Details
QNAPSpec score 7.7

4 Bays, AMD, 8GB, 2.5GbE

+Four drive bays for expanding storage capacity
+AMD Ryzen Embedded quad-core CPU at 2.2GHz
+Dual 2.5GbE network ports for faster transfers
$4,427.17
as of 11/04/2026 03:05 PST - Details
QNAPSpec score 8.2

4 Bays, AMD, 8GB, 2.5GbE

+Four drive bays for expanding storage capacity
+M.2 slots for fast cache or SSD storage
+Dual 2.5GbE network ports for faster transfers
No price recorded yet.

Compare specs

NAS deviceBaysProcessorMemoryFastest portDrivesSpec scorePrice
4AMD8GB10GbEDiskless9.1$659.99
as of 11/04/2026 10:09 PST - Details
4AMD8GB10GbEDiskless8.6$654.62
as of 11/04/2026 03:05 PST - Details
4AMD8GB2.5GbEDiskless8.2$898.28
as of 11/04/2026 06:09 PST - Details
4AMD4GB2.5GbEDrives included8.2$2,199.00
as of 11/04/2026 10:09 PST - Details
4AMD4GB2.5GbEDrives included8.2$2,299.00
as of 11/04/2026 09:07 PST - Details
4AMD4GB2.5GbE7.7$769.99
as of 11/04/2026 09:07 PST - Details
4AMD8GB2.5GbEDrives included7.7$4,427.17
as of 11/04/2026 03:05 PST - Details
4AMD8GB2.5GbE8.2No current price

Before you buy

Other Bays options

RAID and HBA Cards868KVM Switches623PDUs683Server Racks640Room Cooling and Sensors902Servers229UPS Battery Backups583Binoculars228Network Cables1,382Cameras2,556PC Cases264Chromebooks196

Popular filters

Rackmount NAS Devices145NAS Devices with Intel Processors143NAS Devices with Drives Included13910GbE NAS Devices132Desktop NAS Devices118Diskless NAS Devices108NAS Devices with AMD Processors872.5GbE NAS Devices78

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Spec scores, pros and cons, and prices are explained in the How it works section of the About page.