4 Bays, 10GbE, Drives included, Rackmount
4-Bay 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.
Spec score 8.3
+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 - DetailsProduct details
BUFFALO TeraStation 5420RN 4-Bay Business Rackmount NAS 80TB (4x20TB) with Hard Drives Included RAID iSCSI Network
$3,810.93as of 11/04/2026 10:10 PST - Details
View on AmazonSpec score8.3
Pros
+Four bays with 80TB total capacity included
+10GbE network port for high-speed transfers
+Rackmount form factor for server racks
Cons−Rackmount design requires a rack installation
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
+10GbE: the highest fastest port of the 66 here
How pros and cons are picked (About: Disclaimer)Other stores (1)
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About this product
Spec 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 - DetailsProduct details
BUFFALO TeraStation 5420DN 4-Bay Business Desktop NAS 16TB (4x4TB) with Hard Drives Included RAID iSCSI Network Storage
$1,592.59as of 11/04/2026 02:11 PST - Details
View on AmazonSpec score8.3
Pros
+Four bays with 10GbE network port
+Desktop form factor for office placement
+Drives included with the unit
Cons−Listed capacity of 16TB is modest for four bays
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
+10GbE: the highest fastest port of the 66 here
How pros and cons are picked (About: Disclaimer)Other stores (1)
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About this product
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 - DetailsProduct details
BUFFALO TeraStation 3430DN 4-Bay 32TB (4x8TB) Desktop Small-Med Business NAS w/Hard Drives Included
$1,746.99as of 11/04/2026 03:05 PST - Details
View on AmazonPros
+Four bays with 32TB total capacity included
+Desktop form factor for office placement
+Drives included with the unit
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
How pros and cons are picked (About: Disclaimer)Other stores (1)
Best BuyVisit store
About this product
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 - DetailsProduct details
BUFFALO TeraStation 3430RN 4-Bay 32TB (4x8TB) Rackmount Small-Med Business NAS w/Hard Drives Included
$2,203.99as of 11/04/2026 10:10 PST - Details
View on AmazonPros
+Four bays with 32TB total capacity included
+Rackmount form factor for server racks
+Drives included with the unit
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
How pros and cons are picked (About: Disclaimer)Other stores (1)
Best BuyVisit store
About this product
Spec 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 - DetailsProduct details
UGREEN NAS DXP4800 Plus 4-Bay Desktop NAS Massive Storage Capacity Up to 136TB Bundle 3 FT High Speed Braided 40Gbps
$619.90as of 11/04/2026 10:10 PST - Details
View on AmazonSpec score8.9
Pros
+Four drive bays for expanding storage capacity
+10GbE network port for fast network transfers
+Ships with drives included
+Desktop form factor for compact placement
+Docker support for running containerized apps
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
+10GbE: the highest fastest port of the 66 here
+Runs Docker: only 11 of 84 here have one
How pros and cons are picked (About: Disclaimer)About this product
Spec 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 - DetailsProduct details
Synology RackStation RS4021xs+ NAS Server with Xeon 2.1GHz CPU, 64GB Memory, 32TB HDD Storage, 2 x 10GbE LAN Ports, DSM$12,099.00as of 11/04/2026 03:05 PST - Details
View on AmazonSpec score8.5
Pros
+Intel Xeon 2.1GHz CPU for demanding multi-user workloads
+64GB memory for heavy concurrent use
+Two 10GbE LAN ports for fast network transfers
+Rackmount form factor fits server racks
+Drives included with 32TB HDD storage
Cons−Only 4 drive bays limits expansion
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
+10GbE: the highest fastest port of the 66 here
+64GB memory: the highest memory of the 51 here
How pros and cons are picked (About: Disclaimer)About this product
Spec 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 - DetailsProduct details
Synology DS925+(2X 2.5GbE Ports, Ryzen V1500B, 4GB RAM) 4-Bay 16TB Bundle with 4X 4TB Seagate Ironwolf HDDs
$2,199.00as of 11/04/2026 10:09 PST - Details
View on AmazonSpec score8.2
Pros
+Four drive bays for expanding storage capacity
+Includes four 4TB Seagate IronWolf drives for 16TB
+Two 2.5GbE ports for faster network transfers
+Supports M.2 NVMe SSD slots
+AMD Ryzen V1500B processor
Cons−Desktop form factor takes up desk space
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
+M.2 SSD slots: only 25 of 84 here have one
How pros and cons are picked (About: Disclaimer)About this product
Spec 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 - DetailsProduct details
Synology DS925+ Bundle 16TB Seagate (4X 4TB Seagate IronWolf Pro) 4Bay Desktop NAS, 2.5GbE Ports, 4GB RAM
$2,299.00as of 11/04/2026 03:05 PST - Details
View on AmazonSpec score7.7
Pros
+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
+4GB RAM installed
Cons−Desktop form factor takes up desk space
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
How pros and cons are picked (About: Disclaimer)About this product
Spec 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 - DetailsProduct details
Synology RackStation RS819 NAS Server with RTD1296 1.4GHz CPU, 2GB Memory, 8TB HDD Storage, 2 x 1GbE LAN Ports, DSM
$2,169.00as of 11/04/2026 03:05 PST - Details
View on AmazonSpec score7.6
Pros
+4 drive bays for multi-drive storage
+Rackmount form factor fits server racks
+Drives included with 8TB HDD storage
Cons−Only 2GB memory limits heavy workloads
−Only 1GbE LAN ports for slower network transfers
−ARM processor is less powerful than Intel or AMD options
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
−1GbE: 58 of the 66 here have a higher fastest port
−2GB memory: 40 of the 51 here have a higher memory
How pros and cons are picked (About: Disclaimer)About this product
Spec 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.
Product details
BUFFALO TeraStation Essentials 4-Bay Value-Focused Rackmount NAS 8TB (4x2TB) with Hard Drives IncludedNo price recorded yet.View on Amazon
Spec score7.8
Pros
+Four drive bays for a shared storage pool
+2.5GbE network port for faster-than-gigabit transfers
+Four 2TB drives included, 8TB total
Cons−Rackmount form requires a server rack to mount
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
How pros and cons are picked (About: Disclaimer)About this product
Spec 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 - DetailsProduct details
BUFFALO TeraStation Essentials 2025 4-Bay Value Desktop NAS 16TB (4x4TB) with Hard Drives Included
$1,007.99as of 11/04/2026 10:06 PST - Details
View on AmazonSpec score7.8
Pros
+Four drive bays in a compact desktop form
+2.5GbE network port for faster-than-gigabit transfers
+Four 4TB drives included, 16TB total
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
How pros and cons are picked (About: Disclaimer)About this product
Spec 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 - DetailsProduct details
Synology RackStation RS4021xs+ NAS Server with Xeon 2.1GHz CPU, 64GB Memory, 160TB HDD Storage, 2 x 10GbE LAN Ports,$16,339.00as of 11/04/2026 06:09 PST - Details
View on AmazonSpec score8.5
Pros
+Intel Xeon 2.1GHz CPU for demanding multi-user workloads
+64GB memory for heavy concurrent use
+Two 10GbE LAN ports for fast network transfers
+Rackmount form factor fits server racks
+Drives included with 160TB HDD storage
Cons−Only 4 drive bays limits expansion
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
+10GbE: the highest fastest port of the 66 here
+64GB memory: the highest memory of the 51 here
How pros and cons are picked (About: Disclaimer)About this product
Spec 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 - DetailsProduct details
Synology RackStation RS4021xs+ NAS Server with Xeon 2.1GHz CPU, 64GB Memory, 256TB HDD Storage, 2 x 10GbE LAN Ports,$18,599.00as of 11/04/2026 03:08 PST - Details
View on AmazonSpec score8.5
Pros
+Intel Xeon 2.1GHz CPU for demanding multi-user workloads
+64GB memory for heavy concurrent use
+Two 10GbE LAN ports for fast network transfers
+Rackmount form factor fits server racks
+Drives included with 256TB HDD storage
Cons−Only 4 drive bays limits expansion
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
+10GbE: the highest fastest port of the 66 here
+64GB memory: the highest memory of the 51 here
How pros and cons are picked (About: Disclaimer)About this product
Spec 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 - DetailsProduct details
Synology DS925+(2X 2.5GbE Ports, Ryzen V1500B, 4GB RAM) 4-Bay 16TB Bundle with 4X 4TB WD Red Plus
$2,299.00as of 11/04/2026 09:07 PST - Details
View on AmazonSpec score8.2
Pros
+Four drive bays for expanding storage capacity
+Includes four 4TB WD Red Plus drives for 16TB
+Two 2.5GbE ports for faster network transfers
+Supports M.2 NVMe SSD slots
+AMD Ryzen V1500B processor
Cons−Desktop form factor takes up desk space
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
+M.2 SSD slots: only 25 of 84 here have one
How pros and cons are picked (About: Disclaimer)About this product
Spec 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 - DetailsProduct details
Synology DS925+ Bundle 32TB Western Digital (WD Red Plus 4X 8TB) 4Bay Desktop NAS, 2.5GbE Ports, 4GB RAM
$2,749.00as of 11/04/2026 10:10 PST - Details
View on AmazonSpec score7.7
Pros
+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
+4GB RAM installed
Cons−Desktop form factor takes up desk space
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
How pros and cons are picked (About: Disclaimer)About this product
Spec 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 - DetailsProduct details
QNAP TS-473A 4-Bay Turbo Station NAS (AMD Ryzen Embedded V1500B 4-Core/8-Thread 2.2GHz 8GB DDR4 RAM 2xRJ-45 2.5GbE LAN
$4,427.17as of 11/04/2026 03:05 PST - Details
View on AmazonSpec score7.7
Pros
+Four drive bays for expanding storage capacity
+AMD Ryzen Embedded quad-core CPU at 2.2GHz
+Dual 2.5GbE network ports for faster transfers
+8GB DDR4 RAM included
+Drives included with the unit
Compared with the 17 NAS Devices on this page+4 bays: the most bays of the 84 here
+8GB memory: only 6 of 51 here have a higher memory
How pros and cons are picked (About: Disclaimer)About this product
Spec 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 - DetailsProduct details
Synology RackStation RS4021xs+ NAS Server with Xeon 2.1GHz CPU, 64GB Memory, 128TB HDD Storage, 2 x 10GbE LAN Ports,$16,339.00as of 11/04/2026 06:09 PST - Details
View on AmazonSpec score8.5
Compared with the 17 NAS Devices on this pagePros
+4 bays: the most bays of the 84 here
+10GbE: the highest fastest port of the 66 here
+64GB memory: the highest memory of the 51 here
How pros and cons are picked (About: Disclaimer)About this product
Compare specs
| NAS device | Bays | Processor | Memory | Fastest port | Drives | Spec score | Price |
|---|---|---|---|---|---|---|---|
| 4 | 10GbE | Drives included | 8.3 | $3,810.93 as of 11/04/2026 10:10 PST - Details | |||
| 4 | 10GbE | Drives included | 8.3 | $1,592.59 as of 11/04/2026 02:11 PST - Details | |||
| 4 | Drives included | n/a | $1,746.99 as of 11/04/2026 03:05 PST - Details | ||||
| 4 | Drives included | n/a | $2,203.99 as of 11/04/2026 10:10 PST - Details | ||||
| 4 | 10GbE | Drives included | 8.9 | $619.90 as of 11/04/2026 10:10 PST - Details | |||
| 4 | Intel | 64GB | 10GbE | Drives included | 8.5 | $12,099.00 as of 11/04/2026 03:05 PST - Details | |
| 4 | AMD | 4GB | 2.5GbE | Drives included | 8.2 | $2,199.00 as of 11/04/2026 10:09 PST - Details | |
| 4 | 4GB | 2.5GbE | Drives included | 7.7 | $2,299.00 as of 11/04/2026 03:05 PST - Details | ||
| 4 | ARM | 2GB | 1GbE | Drives included | 7.6 | $2,169.00 as of 11/04/2026 03:05 PST - Details | |
| 4 | 2.5GbE | Drives included | 7.8 | No current price |










