NAS Devices and Storage Servers

Compare these NAS devices by desktop versus rack form, processor, memory, drive count and whether disks are included, network speeds and ports, expansion, redundant power and price before buying. This group spans £477.59 to £6,454.04, moving from a diskless desktop unit through rack mounted systems to a 24 bay rack unit. Three listings specify 0 TB capacity with no disks included, memory ranges from 8 GB to 32 GB, and only the highest priced model includes redundant power supplies.

5 selected productsListing snapshot 23 October 2026Selection Editorial

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PC Hardware Compare editorial teamProduct information editor

Winner

Ugreen NETWORK ATTACHED DX4800PL DISKLESSUK NAS Desktop Intel® Pentium

The Ugreen DX4800PL at £477.59 is a practical starting point given its low price, not a declared overall winner.

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Product	Brand	Price	Retailers	Memory generation	Memory capacity	Listed product details	Interface	Rated power	Network speed
Ugreen NETWORK ATTACHED DX4800PL DISKLESSUK NAS Desktop Intel® Pentium	Ugreen	£477.59	PCHub	DDR5	8 GB	Ugreen NETWORK ATTACHED DX4800PL DISKLESSUK NAS Desktop Intel® Pentium® 8 GB DDR5 0 TB HDD+SSD UGOS Pro	Not listed	Not listed	Not listed
Ubiquiti UNAS-PRO-4 NAS/storage server Rack (1U) Cortex-A Cortex-A57 1	Ubiquiti	£479.08	PCHub	Not listed	16 GB	Ubiquiti UNAS-PRO-4 NAS/storage server Rack (1U) Cortex-A Cortex-A57 16 GB Grey	Not listed	Not listed	Not listed
Asustor FLASHSTOR 12 Pro Gen2 (FS6812X) NAS Compact AMD Ryzen V3C14 16	ASUSTOR	£1,096.22	PCHub	DDR5	16 GB	Asustor FLASHSTOR 12 Pro Gen2 (FS6812X) NAS Compact AMD Ryzen V3C14 16 GB DDR5 0 TB Black	Not listed	Not listed	Not listed
Synology RackStation RS2423+ NAS/storage server Rack (2U) Ryzen Embedd	Synology	£2,117.97	PCHub	DDR4	8 GB	Synology RackStation RS2423+ NAS/storage server Rack (2U) Ryzen Embedded V1780B 8 GB DDR4 0 TB DiskStation Manager Black. Grey	Not listed	Not listed	Not listed
QNAP 4U 24-bay 3.5 SATA HDD NAS - AMD Ryzen 7000 series 8C16T (boost u	QNAP	£6,454.04	PCHub	DDR5	32GB	QNAP 4U 24-bay 3.5 SATA HDD NAS - AMD Ryzen 7000 series 8C16T (boost up to 5.3 GHz) - 32GB DDR5 non-ECC RAM (max. 128GB total) - 2x M.2 2280 PCIe Gen5 x2 slots for SSD cache - 2x 10GBASE-T + 2x 2.5 GbE RJ45 - 3 x PCIe Gen 4 expansion slots - 2 x 550W redu	SATA	550W	2.5 GbE

1. Ugreen NETWORK ATTACHED DX4800PL DISKLESSUK NAS Desktop Intel® Pentium

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Price shown £477.59

A diskless desktop NAS with an Intel Pentium processor, 8 GB DDR5 memory and UGOS Pro software, listed with 0 TB disk capacity.

The Ugreen DX4800PL is a diskless desktop NAS built around an Intel Pentium processor with 8 GB DDR5 memory, running UGOS Pro software.

Its listed disk capacity is 0 TB with no disks included, though its product description states up to 136 TB of potential capacity with RAID options once drives are fitted.

Benchmark

No exact product-matched Geekbench Community Result is linked for Ugreen NETWORK ATTACHED DX4800PL DISKLESSUK NAS Desktop Intel® Pentium. Geekbench can measure its processor or graphics performance, but results from another system do not establish this product's performance.

Browse Geekbench Community Results

NAS throughput testing

Compare SMB file transfer throughput, concurrent client performance and latency using the same drives, network and workload.

A comparable third-party result for Ugreen NETWORK ATTACHED DX4800PL DISKLESSUK NAS Desktop Intel® Pentium is not included here. See NAS benchmarking guidance explains the relevant test or benchmark method.

At £477.59 it is the cheapest unit in this group, undercutting the next lowest priced model by £1.49, with no disks included.

Product specifications
Specification	Information
Brand	Ugreen
Price	£477.59
Memory generation	DDR5
Memory capacity	8 GB
Listed product details	Ugreen NETWORK ATTACHED DX4800PL DISKLESSUK NAS Desktop Intel® Pentium® 8 GB DDR5 0 TB HDD+SSD UGOS Pro

Compatible hardware

Check against Internal hard drivesMatch drive size and interface to the NAS bay and supported drive list.
Check against Network switchesCheck the NAS Ethernet speed and port type against the switch.
Check against Ethernet and fibre cablesMatch cable connector and category to the NAS network port and required link speed.

What we like

Lowest price in this group
Desktop form factor among mostly rack mounted alternatives here
Described RAID options and stated capacity potential up to 136 TB

What we don't like

No disks included, listed capacity 0 TB
Bay count not stated

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2. Ubiquiti UNAS-PRO-4 NAS/storage server Rack (1U) Cortex-A Cortex-A57 1

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Price shown £479.08

A 1U rack NAS with a Cortex-A57 processor and 16 GB memory, finished in grey.

The Ubiquiti UNAS-PRO-4 is a 1U rack NAS built around a Cortex-A57 processor with 16 GB memory, finished in grey.

Drive capacity and bay count are not stated for this unit, leaving fewer confirmed storage details than the Ugreen or the units below in this group.

Benchmark

No exact product-matched Geekbench Community Result is linked for Ubiquiti UNAS-PRO-4 NAS/storage server Rack (1U) Cortex-A Cortex-A57 1. Geekbench can measure its processor or graphics performance, but results from another system do not establish this product's performance.

Browse Geekbench Community Results

NAS throughput testing

Compare SMB file transfer throughput, concurrent client performance and latency using the same drives, network and workload.

A comparable third-party result for Ubiquiti UNAS-PRO-4 NAS/storage server Rack (1U) Cortex-A Cortex-A57 1 is not included here. See NAS benchmarking guidance explains the relevant test or benchmark method.

At £479.08 it costs £1.49 more than the Ugreen, with double the memory and a rack mounted form factor among the stated differences.

Product specifications
Specification	Information
Brand	Ubiquiti
Price	£479.08
Memory capacity	16 GB
Listed product details	Ubiquiti UNAS-PRO-4 NAS/storage server Rack (1U) Cortex-A Cortex-A57 16 GB Grey

Compatible hardware

Check against Internal hard drivesMatch drive size and interface to the NAS bay and supported drive list.
Check against Network switchesCheck the NAS Ethernet speed and port type against the switch.
Check against Ethernet and fibre cablesMatch cable connector and category to the NAS network port and required link speed.

What we like

16 GB memory, double the Ugreen at a similar price
1U rack mounted form factor
Memory is listed at 16 GB, compared with 8 GB in the Ugreen and Synology

What we don't like

Drive capacity not stated in the listing
Bay count not stated in the listing

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3. Asustor FLASHSTOR 12 Pro Gen2 (FS6812X) NAS Compact AMD Ryzen V3C14 16

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Price shown £1,096.22

A compact NAS with an AMD Ryzen Embedded V3C14 processor and 16 GB DDR5 memory, listed with 0 TB disk capacity.

The Asustor FLASHSTOR 12 Pro Gen2 FS6812X is a compact NAS built around an AMD Ryzen Embedded V3C14 processor with 16 GB DDR5 memory.

Its listed disk capacity is 0 TB with no disks included, and its product description mentions 10 Gbps connectivity, a speed not stated for the Ugreen or Ubiquiti in this group.

Benchmark

No exact product-matched Geekbench Community Result is linked for Asustor FLASHSTOR 12 Pro Gen2 (FS6812X) NAS Compact AMD Ryzen V3C14 16. Geekbench can measure its processor or graphics performance, but results from another system do not establish this product's performance.

Browse Geekbench Community Results

NAS throughput testing

Compare SMB file transfer throughput, concurrent client performance and latency using the same drives, network and workload.

A comparable third-party result for Asustor FLASHSTOR 12 Pro Gen2 (FS6812X) NAS Compact AMD Ryzen V3C14 16 is not included here. See NAS benchmarking guidance explains the relevant test or benchmark method.

At £1,096.22 it costs £617.14 more than the Ubiquiti, with 10 Gbps connectivity mentioned in its description among the stated differences.

Product specifications
Specification	Information
Brand	ASUSTOR
Price	£1,096.22
Memory generation	DDR5
Memory capacity	16 GB
Listed product details	Asustor FLASHSTOR 12 Pro Gen2 (FS6812X) NAS Compact AMD Ryzen V3C14 16 GB DDR5 0 TB Black

Compatible hardware

Check against Internal hard drivesMatch drive size and interface to the NAS bay and supported drive list.
Check against Network switchesCheck the NAS Ethernet speed and port type against the switch.
Check against Ethernet and fibre cablesMatch cable connector and category to the NAS network port and required link speed.

What we like

10 Gbps connectivity mentioned in the product description
16 GB DDR5 memory matching the Ubiquiti
Compact NAS form compared with the desktop Ugreen and rack mounted alternatives

What we don't like

No disks included, listed capacity 0 TB
Bay count not stated

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4. Synology RackStation RS2423+ NAS/storage server Rack (2U) Ryzen Embedd

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Price shown £2,117.97

A 2U rack NAS with a Ryzen Embedded V1780B processor, 8 GB DDR4 memory, DiskStation Manager software and 12 bays, listed with 0 TB disk capacity.

The Synology RackStation RS2423+ is a 2U rack NAS built around a Ryzen Embedded V1780B processor with 8 GB DDR4 memory, running DiskStation Manager software across 12 bays.

Its listed disk capacity is 0 TB with no disks included, and its description states up to 216 TB of raw storage before expansion, alongside built-in 10GbE networking.

Benchmark

No exact product-matched Geekbench Community Result is linked for Synology RackStation RS2423+ NAS/storage server Rack (2U) Ryzen Embedd. Geekbench can measure its processor or graphics performance, but results from another system do not establish this product's performance.

Browse Geekbench Community Results

NAS throughput testing

Compare SMB file transfer throughput, concurrent client performance and latency using the same drives, network and workload.

A comparable third-party result for Synology RackStation RS2423+ NAS/storage server Rack (2U) Ryzen Embedd is not included here. See NAS benchmarking guidance explains the relevant test or benchmark method.

At £2,117.97 it costs £1,021.75 more than the Asustor, with 12 bays and a stated raw capacity potential up to 216 TB among the stated differences.

Product specifications
Specification	Information
Brand	Synology
Price	£2,117.97
Memory generation	DDR4
Memory capacity	8 GB
Listed product details	Synology RackStation RS2423+ NAS/storage server Rack (2U) Ryzen Embedded V1780B 8 GB DDR4 0 TB DiskStation Manager Black. Grey

Compatible hardware

Check against Internal hard drivesMatch drive size and interface to the NAS bay and supported drive list.
Check against Network switchesCheck the NAS Ethernet speed and port type against the switch.
Check against Ethernet and fibre cablesMatch cable connector and category to the NAS network port and required link speed.

What we like

12 bays stated, the highest bay count confirmed before the QNAP
Built-in 10GbE networking
Stated raw capacity potential up to 216 TB before expansion

What we don't like

No disks included, listed capacity 0 TB
Lower memory than the Asustor and Ubiquiti at 8 GB DDR4

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5. QNAP 4U 24-bay 3.5 SATA HDD NAS - AMD Ryzen 7000 series 8C16T (boost u

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Price shown £6,454.04

A 4U rack NAS with an AMD Ryzen 7 PRO 7000 series processor, 32 GB DDR5 non-ECC memory, 24 SATA 3.5 inch bays and two redundant 550W power supplies.

The QNAP TS-h2477AXU-RP is a 4U rack NAS built around an AMD Ryzen 7 PRO 7000 series processor with 8 cores and 16 threads running up to 5.3 GHz, paired with 32 GB DDR5 non-ECC memory.

It offers 24 SATA 3.5 inch bays alongside 2 PCIe Gen5 M.2 SSD slots, 2x10GbE and 2x2.5GbE networking, 3 PCIe Gen4 slots and two redundant 550W power supplies, the only unit in this group with stated redundant power.

Benchmark

No exact product-matched Geekbench Community Result is linked for QNAP 4U 24-bay 3.5 SATA HDD NAS - AMD Ryzen 7000 series 8C16T (boost u. Geekbench can measure its processor or graphics performance, but results from another system do not establish this product's performance.

Browse Geekbench Community Results

NAS throughput testing

Compare SMB file transfer throughput, concurrent client performance and latency using the same drives, network and workload.

A comparable third-party result for QNAP 4U 24-bay 3.5 SATA HDD NAS - AMD Ryzen 7000 series 8C16T (boost u is not included here. See NAS benchmarking guidance explains the relevant test or benchmark method.

At £6,454.04 it is the most expensive unit in this group, priced £4,336.07 above the Synology, reflecting its bay count, networking and redundant power supplies.

Product specifications
Specification	Information
Brand	QNAP
Price	£6,454.04
Memory generation	DDR5
Memory capacity	32GB
Interface	SATA
Rated power	550W
Network speed	2.5 GbE
Listed product details	QNAP 4U 24-bay 3.5 SATA HDD NAS - AMD Ryzen 7000 series 8C16T (boost up to 5.3 GHz) - 32GB DDR5 non-ECC RAM (max. 128GB total) - 2x M.2 2280 PCIe Gen5 x2 slots for SSD cache - 2x 10GBASE-T + 2x 2.5 GbE RJ45 - 3 x PCIe Gen 4 expansion slots - 2 x 550W redu

Compatible hardware

Check against Internal hard drivesMatch drive size and interface to the NAS bay and supported drive list.
Check against Network switchesCheck the NAS Ethernet speed and port type against the switch.
Check against Ethernet and fibre cablesMatch cable connector and category to the NAS network port and required link speed.

What we like

24 SATA 3.5 inch bays, the highest bay count stated in this group
Two redundant 550W power supplies stated
2x10GbE and 2x2.5GbE networking with additional PCIe Gen5 and Gen4 expansion

What we don't like

Highest price in this group by a wide margin
32 GB memory stated as non-ECC

Check price at PCHub

Prices shown reflect the available listing details and can change. Check stock, delivery, compatibility and full product specifications with PCHub before ordering.