4-Bay NAS Devices

4 Bays, 1GbE, Diskless, Rackmount

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Synology 4-Bay Rackmount NAS RackStation RS422+ (Diskless),Black

$799.99as of 11/04/2026 10:08 PST - Details

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Spec score7.7

Pros

+Four drive bays for a multi-drive storage pool

+Rackmount form factor fits standard server racks

+1GbE network port for wired network connections

+Ships diskless, so you choose your own drives

Cons

−Diskless, so drives must be bought separately

Compared with the 8 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

How pros and cons are picked (About: Disclaimer)

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About this product

4 Bays, 8GB, 1GbE, Diskless

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ACEMAGIC NAS Mini PC N3A 4-Bay Desktop Network Attached Storage Home | Office Backup Hub,Protect Data , Up to 136TB NAS

$290.00as of 11/04/2026 09:07 PST - Details

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Spec score8.6

Pros

+Four bays for expanded storage capacity

+Two M.2 slots for solid state storage

+Docker and media support for apps and streaming

+8GB RAM for running services

+Desktop form factor suits a home or office desk

Cons

−Diskless, drives must be purchased separately

Compared with the 8 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

+Runs Docker: only 11 of 84 here have one

+M.2 SSD slots: only 25 of 84 here have one

−1GbE: 58 of the 66 here have a higher fastest port

How pros and cons are picked (About: Disclaimer)

About this product

4 Bays, 1GbE

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Ubiquiti 4-Bay NAS with 2.5/3.5" HDD Slots & 2 M.2 NVMe SSD Cache Slots by Ubiquiti

$574.99as of 11/04/2026 03:05 PST - Details

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Spec score8.3

Pros

+Four drive bays for a mid-size storage pool

+Two M.2 NVMe slots for SSD caching

+Supports 2.5-inch and 3.5-inch hard drives

Cons

−Standard 1GbE network port limits transfer speed

Compared with the 8 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

−1GbE: 58 of the 66 here have a higher fastest port

How pros and cons are picked (About: Disclaimer)

About this product

4 Bays, ARM, 1GB, 1GbE

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QNAP TS-431K 4 Bay Home NAS with Two 1GbE Ports

$874.94as of 11/04/2026 11:05 PST - Details

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Spec score7.6

Pros

+Four drive bays for home storage expansion

+Two 1GbE ports for network connectivity

+ARM processor designed for home NAS tasks

Cons

−Only 1GB of memory limits multitasking

Compared with the 8 NAS Devices on this page

+4 bays: the most bays of the 84 here

−1GB memory: 48 of the 51 here have a higher memory

−1GbE: 58 of the 66 here have a higher fastest port

How pros and cons are picked (About: Disclaimer)

About this product

4 Bays, ARM, 2GB, 1GbE

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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

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Spec 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 8 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

4 Bays, 32GB, 1GbE, Diskless

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Synology 4-Bay RackStation RS822+ (Diskless) | 4-bay NAS enclosure with 2103 MB/s throughput and 32GB RAM for fileNo price recorded yet.View on Amazon

Spec score7.8

Pros

+Four drive bays for expanded storage

+Rackmount form factor for server racks

+32 GB of RAM

Cons

−Ships diskless, so drives must be bought separately

Compared with the 8 NAS Devices on this page

+4 bays: the most bays of the 84 here

+32GB memory: only 4 of 51 here have a higher memory

−1GbE: 58 of the 66 here have a higher fastest port

How pros and cons are picked (About: Disclaimer)

About this product

4 Bays, 1GbE, Diskless, Desktop

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Synology 4-Bay DiskStation DS923+ (Diskless)No price recorded yet.View on Amazon

Spec score7.7

Compared with the 8 NAS Devices on this pagePros

+4 bays: the most bays of the 84 here

Cons

−1GbE: 58 of the 66 here have a higher fastest port

How pros and cons are picked (About: Disclaimer)

About this product

4 Bays, 1GbE, Diskless, Rackmount

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Synology RackStation RS826+ 4-Bay 1U Rackmount NAS Server (Diskless)

$1,597.51as of 11/04/2026 10:10 PST - Details

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Spec score7.7

Pros

+Four drive bays for a multi-drive storage pool

+Compact 1U rackmount design saves rack space

+Gigabit Ethernet LAN connection for network access

+Ships diskless so you choose your own drives

Cons

−Drives must be purchased separately

Compared with the 8 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

How pros and cons are picked (About: Disclaimer)

About this product