When you buy through our links, we may earn a commission. Learn more ›
Wiki Shopping
Wiki Shopping
TipsLearnAbout
Wiki Shopping

4-Bay NAS Devices

All NAS Devices

16 4-Bay NAS devices from QNAP, Synology, Buffalo and more. Most cost $300 to $1,300, and half cost less than $679.

Top brands: QNAP (9)

All filtersFilters (2)×
Bays: 4  ×Processor: ARM  ×Clear all
BrandQNAP9Asustor3Synology2LincPlus1TerraMaster1
Bays416
ProcessorIntel25ARM16AMD8
Memory4GB52GB41GB3
Fastest port2.5GbE710GbE51GbE2
DrivesDiskless9Drives included1
BodyRackmount6Desktop3
PriceUnder $2001Under $2501Under $3001Under $5003Under $7001Under $8001Under $9002$500 & above6$700 & above5$1,500 & above1
Clear allShow 16 NAS Devices
Bays: 4  ×Processor: ARM  ×16 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
AsustorSpec score 7.6

4 Bays, ARM, 1GB, 2.5GbE

+4 bays: the most bays of the 84 here
−1GB memory: 48 of the 51 here have a higher memory
No current price. Check it at the store.
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
QNAPSpec score 8.5

4 Bays, ARM, 4GB, 10GbE

+Four drive bays for a 4-bay storage array
+10GbE network ports for fast file transfers
+M.2 NVMe SSD slot for faster caching
−ARM processor rather than Intel
−Rackmount form needs a server rack
$886.99
as of 11/04/2026 10:10 PST - Details
QNAPSpec score 8.3

4 Bays, ARM, 10GbE, Rackmount

+Four drive bays for expanded storage capacity
+Two 10GbE ports for high-speed network transfers
+Rackmount form factor fits server racks
−ARM processor rather than an Intel processor
$799.00
as of 11/04/2026 10:10 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
AsustorSpec score 7.6

4 Bays, ARM, 1GB, 2.5GbE

+Four bays for expandable storage capacity
+2.5GbE LAN for faster network transfers
+Media support for streaming photos and videos
−Only 1GB of RAM limits multitasking
−Drives are not included with the unit
$463.91
as of 11/04/2026 11:05 PST - Details
QNAPSpec score 7.6

4 Bays, ARM, 1GB, 1GbE

+Four drive bays for home storage expansion
+Two 1GbE ports for network connectivity
+ARM processor designed for home NAS tasks
−Only 1GB of memory limits multitasking
$874.94
as of 11/04/2026 11:05 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
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.
QNAPSpec score 8.3

4 Bays, ARM, 10GbE, Rackmount

+Four drive bays for a 4-bay storage array
+10GbE network ports for fast file transfers
+Redundant power supply for added power backup
−ARM processor rather than Intel
−Rackmount form needs a server rack
$1,300.60
as of 11/04/2026 09:07 PST - Details
QNAPSpec score 8.0

4 Bays, ARM, 4GB, 10GbE

+Four drive bays for a 4-bay storage array
+10GbE network ports for fast file transfers
+Short-depth 1U design fits shallow racks
−ARM processor rather than Intel
−Rackmount form needs a server rack
$679.00
as of 11/04/2026 10:10 PST - Details
QNAPSpec score 8.3

4 Bays, ARM, 10GbE, Rackmount

+Four drive bays for expanded storage capacity
+Two 10GbE ports for high-speed network transfers
+Redundant power supply for added reliability
−ARM processor rather than an Intel processor
No price recorded yet.
AsustorSpec score 7.7

4 Bays, ARM, 2GB, 2.5GbE

+Four drive bays for multi-drive storage
+2.5GbE network port for faster transfers
+Media server support included
−Drives sold separately, must be purchased
−Only 2GB of RAM
No price recorded yet.
QNAPSpec score 7.7

4 Bays, ARM, 4GB, 2.5GbE

+Four drive bays for a 4-bay storage array
+4GB RAM for multitasking
+Quad-core processor for steady performance
−Ships diskless, so drives must be bought separately
−ARM processor rather than Intel
No price recorded yet.
QNAPSpec score 7.7

4 Bays, ARM, 4GB, 2.5GbE

+4 bays: the most bays of the 84 here
$429.00
as of 11/04/2026 10:06 PST - Details
TerraMasterSpec score 7.7

4 Bays, ARM, 2GB, Diskless

+4 bays: the most bays of the 84 here
−2GB memory: 40 of the 51 here have a higher memory
$299.99
as of 11/04/2026 06:09 PST - Details

Compare specs

NAS deviceBaysProcessorMemoryFastest portDrivesSpec scorePrice
4ARM1GB2.5GbEDiskless7.6No current price
4ARM4GB2.5GbEDiskless8.2$185.99
as of 11/04/2026 10:10 PST - Details
4ARM4GB10GbE8.5$886.99
as of 11/04/2026 10:10 PST - Details
4ARM10GbE8.3$799.00
as of 11/04/2026 10:10 PST - Details
4ARM2GBDiskless7.7$492.13
as of 11/04/2026 09:07 PST - Details
4ARM1GB2.5GbEDiskless7.6$463.91
as of 11/04/2026 11:05 PST - Details
4ARM1GB1GbE7.6$874.94
as of 11/04/2026 11:05 PST - Details
4ARM2GB1GbEDrives included7.6$2,169.00
as of 11/04/2026 03:05 PST - Details
4ARM2.5GbEDiskless7.8No current price
4ARM10GbE8.3$1,300.60
as of 11/04/2026 09:07 PST - Details

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

Related product types

12-Bay NAS Devices572-Bay NAS Devices578-Bay NAS Devices3616-Bay NAS Devices346-Bay NAS Devices205-Bay NAS Devices1724-Bay NAS Devices11

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