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4-Bay NAS Devices

All NAS Devices

17 4-Bay NAS devices from QNAP, Synology, Buffalo and more. Most cost $1,593 to $16,339, and half cost less than $2,299.

Top brands: Synology (9)Buffalo (6)

BuffaloSpec score 8.3

4 Bays, 10GbE, Drives included, Rackmount

+Four bays with 80TB total capacity included
+10GbE network port for high-speed transfers
+Rackmount form factor for server racks
−Rackmount design requires a rack installation
$3,810.93
as of 11/04/2026 10:10 PST - Details
BuffaloSpec score 8.3

4 Bays, 10GbE, Drives included, Desktop

+Four bays with 10GbE network port
+Desktop form factor for office placement
+Drives included with the unit
−Listed capacity of 16TB is modest for four bays
$1,592.59
as of 11/04/2026 02:11 PST - Details
Buffalo

4 Bays, Drives included, Desktop

+Four bays with 32TB total capacity included
+Desktop form factor for office placement
+Drives included with the unit
$1,746.99
as of 11/04/2026 03:05 PST - Details
Buffalo

4 Bays, Drives included, Rackmount

+Four bays with 32TB total capacity included
+Rackmount form factor for server racks
+Drives included with the unit
$2,203.99
as of 11/04/2026 10:10 PST - Details
UGREENSpec score 8.9

4 Bays, 10GbE, Drives included, Desktop

+Four drive bays for expanding storage capacity
+10GbE network port for fast network transfers
+Ships with drives included
$619.90-16%List: $737.98
as of 11/04/2026 10:10 PST - Details
SynologySpec score 8.5

4 Bays, Intel, 64GB, 10GbE

+Intel Xeon 2.1GHz CPU for demanding multi-user workloads
+64GB memory for heavy concurrent use
+Two 10GbE LAN ports for fast network transfers
−Only 4 drive bays limits expansion
$12,099.00
as of 11/04/2026 03:05 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 7.7

4 Bays, 4GB, 2.5GbE, Drives included

+Four drive bays for expanding storage capacity
+Includes four 4TB Seagate IronWolf Pro drives for 16TB
+2.5GbE network port for faster transfers than standard gigabit
−Desktop form factor takes up desk space
$2,299.00
as of 11/04/2026 03:05 PST - Details
SynologySpec score 7.6

4 Bays, ARM, 2GB, 1GbE

+4 drive bays for multi-drive storage
+Rackmount form factor fits server racks
+Drives included with 8TB HDD storage
−Only 2GB memory limits heavy workloads
−Only 1GbE LAN ports for slower network transfers
$2,169.00
as of 11/04/2026 03:05 PST - Details
BuffaloSpec score 7.8

4 Bays, 2.5GbE, Drives included, Rackmount

+Four drive bays for a shared storage pool
+2.5GbE network port for faster-than-gigabit transfers
+Four 2TB drives included, 8TB total
−Rackmount form requires a server rack to mount
No price recorded yet.
BuffaloSpec score 7.8

4 Bays, 2.5GbE, Drives included, Desktop

+Four drive bays in a compact desktop form
+2.5GbE network port for faster-than-gigabit transfers
+Four 4TB drives included, 16TB total
$1,007.99
as of 11/04/2026 10:06 PST - Details
SynologySpec score 8.5

4 Bays, Intel, 64GB, 10GbE

+Intel Xeon 2.1GHz CPU for demanding multi-user workloads
+64GB memory for heavy concurrent use
+Two 10GbE LAN ports for fast network transfers
−Only 4 drive bays limits expansion
$16,339.00
as of 11/04/2026 06:09 PST - Details
SynologySpec score 8.5

4 Bays, Intel, 64GB, 10GbE

+Intel Xeon 2.1GHz CPU for demanding multi-user workloads
+64GB memory for heavy concurrent use
+Two 10GbE LAN ports for fast network transfers
−Only 4 drive bays limits expansion
$18,599.00
as of 11/04/2026 03:08 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, 4GB, 2.5GbE, Drives included

+Four drive bays for expanding storage capacity
+Includes four 8TB WD Red Plus drives for 32TB
+2.5GbE network port for faster transfers than standard gigabit
−Desktop form factor takes up desk space
$2,749.00
as of 11/04/2026 10:10 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
SynologySpec score 8.5

4 Bays, Intel, 64GB, 10GbE

+4 bays: the most bays of the 84 here
+10GbE: the highest fastest port of the 66 here
$16,339.00
as of 11/04/2026 06:09 PST - Details

Compare specs

NAS deviceBaysProcessorMemoryFastest portDrivesSpec scorePrice
410GbEDrives included8.3$3,810.93
as of 11/04/2026 10:10 PST - Details
410GbEDrives included8.3$1,592.59
as of 11/04/2026 02:11 PST - Details
4Drives includedn/a$1,746.99
as of 11/04/2026 03:05 PST - Details
4Drives includedn/a$2,203.99
as of 11/04/2026 10:10 PST - Details
410GbEDrives included8.9$619.90
as of 11/04/2026 10:10 PST - Details
4Intel64GB10GbEDrives included8.5$12,099.00
as of 11/04/2026 03:05 PST - Details
4AMD4GB2.5GbEDrives included8.2$2,199.00
as of 11/04/2026 10:09 PST - Details
44GB2.5GbEDrives included7.7$2,299.00
as of 11/04/2026 03:05 PST - Details
4ARM2GB1GbEDrives included7.6$2,169.00
as of 11/04/2026 03:05 PST - Details
42.5GbEDrives included7.8No current price

Before you buy

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