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4-Bay NAS Devices

All NAS Devices

28 4-Bay NAS devices from QNAP, Synology, Buffalo and more. Most cost $290 to $1,746, and half cost less than $660.

Top brands: Synology (10)QNAP (9)

SynologySpec score 7.8

4 Bays, 2.5GbE, Diskless, Desktop

+Four drive bays for expanded storage
+2.5GbE network port for faster transfers
+Desktop form factor for placing on a desk or shelf
−Ships diskless, so drives must be bought separately
$779.77-12%List: $889.99
as of 11/04/2026 10:06 PST - Details
QNAPSpec score 8.4

4 Bays, Intel, 2.5GbE, Desktop

+Four drive bays for expanding storage capacity
+M.2 slots for fast cache or SSD storage
+2.5GbE network port for faster transfers
−Desktop form factor takes more space than rackmount
$619.00
as of 11/04/2026 11:05 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
SynologySpec score 8.2

4 Bays, Intel, 2GB, 2.5GbE

+Four drive bays in a desktop form
+2.5GbE port for faster network transfers than gigabit
+M.2 slot for SSD cache or storage
−Only 2GB RAM, which is low for a NAS
−Drives sold separately, adding to setup
$659.72
as of 11/04/2026 09:07 PST - Details
Synology

4 Bays, Diskless, Desktop

+Four drive bays for expanding storage capacity
+Expansion unit adds bays to a compatible NAS
+Ships diskless, so drives are chosen and installed separately
−Ships without drives, so drives must be purchased separately
$595.59
as of 11/04/2026 06:09 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
Synology

4 Bays, Desktop

+Four drive bays for larger storage capacity
+Desktop form factor fits a home or office desk
+Built as a four-bay storage server for shared files
No current price. Check it at the store.
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
LincPlusSpec score 8.2

4 Bays, ARM, 4GB, 2.5GbE

+4 drive bays
+2.5GbE network port
+4K HDMI 2.0 output
−Ships diskless, drives must be bought separately
−Uses an ARM processor
$185.99-15%List: $219.99
as of 11/04/2026 10:10 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
UGREENSpec score 8.7

4 Bays, Diskless, Desktop

+Four drive bays for a larger storage pool
+Docker support for running extra apps
+Desktop form factor
−Diskless, drives must be bought separately
$386.12
as of 11/04/2026 03:05 PST - Details
AcemagicSpec score 8.6

4 Bays, 8GB, 1GbE, Diskless

+Four bays for expanded storage capacity
+Two M.2 slots for solid state storage
+Docker and media support for apps and streaming
−Diskless, drives must be purchased separately
$290.00
as of 11/04/2026 09:07 PST - Details
QNAPSpec score 8.2

4 Bays, Intel, 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
−Desktop form factor takes more space than rackmount
$749.00
as of 11/04/2026 09:07 PST - Details
QNAPSpec score 8.2

4 Bays, Intel, 4GB, 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
−Only 4GB RAM included
−Diskless, so drives must be bought separately
$529.99
as of 11/04/2026 11:05 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
QNAPSpec score 8.2

4 Bays, Intel, 8GB, 2.5GbE

+Four drive bays for expanding storage capacity
+Two M.2 slots for SSD cache or storage
+2.5GbE network port for faster transfers than gigabit
−Drives sold separately, not included
$1,299.00
as of 11/04/2026 03:05 PST - Details
SynologySpec score 7.7

4 Bays, ARM, 2GB, Diskless

+Four drive bays for a compact desktop NAS
+Realtek 4-core processor at 1.7 GHz
+Drives sold separately, so you choose capacity
−Only 2GB RAM, which is low for a NAS
−ARM processor rather than Intel or AMD
$492.13
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
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 7.7

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
SynologySpec score 8.2

4 Bays, Intel, 2GB, 2.5GbE

+Four drive bays for more storage capacity
+M.2 slots for NVMe cache or SSD storage
+2.5GbE network port for faster transfers than gigabit
−Only 2GB of RAM
No price recorded yet.
QNAPSpec score 8.0

4 Bays, 4GB, 10GbE, Desktop

+Two 2.5GbE ports and two 10GbE SFP+ ports
+Four drive bays for expandable storage
+Quad-core processor for file serving tasks
−Only 4 GB of RAM limits multitasking
No current price. Check it at the store.
QNAPSpec score 7.8

4 Bays, ARM, 2.5GbE, Diskless

+Four drive bays for a 4-bay storage array
+Quad-core processor for steady performance
+4GB built-in RAM
−Ships diskless, so drives must be bought separately
No current price. Check it at the store.
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
Generic

4 Bays, Desktop

+Four drive bays for expanded storage capacity
+Compatible with Raspberry Pi 5
+Four 2.5-inch drive trays included
$32.00
as of 11/04/2026 11:05 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.
SynologySpec score 7.7

4 Bays, 1GbE, Diskless, Desktop

+4 bays: the most bays of the 84 here
−1GbE: 58 of the 66 here have a higher fastest port
No price recorded yet.

Compare specs

NAS deviceBaysProcessorMemoryFastest portDrivesSpec scorePrice
42.5GbEDiskless7.8$779.77
as of 11/04/2026 10:06 PST - Details
4Intel2.5GbE8.4$619.00
as of 11/04/2026 11:05 PST - Details
410GbEDrives included8.3$1,592.59
as of 11/04/2026 02:11 PST - Details
4Intel2GB2.5GbEDiskless8.2$659.72
as of 11/04/2026 09:07 PST - Details
4Disklessn/a$595.59
as of 11/04/2026 06:09 PST - Details
4Drives includedn/a$1,746.99
as of 11/04/2026 03:05 PST - Details
4n/aNo current price
410GbEDrives included8.9$619.90
as of 11/04/2026 10:10 PST - Details
4ARM4GB2.5GbEDiskless8.2$185.99
as of 11/04/2026 10:10 PST - Details
4AMD8GB10GbEDiskless8.6$654.62
as of 11/04/2026 03:05 PST - Details

Before you buy

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