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Best sellers, best NAS Expansion Units

We also think that you deserve the best. That’s why on this page, we ranked NAS Expansion Units from the most sold to the least sold. You have 12 products to choose from. Customers have the most interest in Synology DX525, which you can buy for 525.90 € incl. VAT. If you’re intrested in NAS Expansion Units in terms of the highest reviews, then look at the NAS Expansion Units reviews and tests category.
12 Results
Synology DX525
NAS Expansion Unit - 5×2.5/3.5" SATA III HDD/SSD for Synology DS925+, USB-C connection
525.90 €
Buy
Ordered on request
Order Code: SNLG25007
Asustor Xpanstor 4 AS5004U
NAS Expansion Unit - flash memory 32 MB, 4× SATA III drive bays, 2.5"/3.5" HDD/SSD, 1× USB-C 3.2 Gen2 interface with transfer speeds up to 10 Gbps, dimensions 230 × 174 × 170 mm (H×W×H), weight 2,03 kg
392.90 €
Buy
Ordered on request
Order Code: Asust24004
4.5
QNAP TL-D800C
NAS Expansion Unit - expansion unit with 8× 3.5" SATA 6Gb/sec drive bays, USB 3.2 type-C host interface, LED indicators, power button, 0-40°C operating temperature, 2× 120mm fans, Kensington security slot, supported OS: QNAP QTS/QTS hero, Windows, Linux, Mac, dimensions: 188.2 × 329.3 × 281.4 mm
676.90 €
Currently Unavailable
Order Code: QL2020mv020
QNAP TL-R1200C-RP
NAS Expansion Unit - 2U expansion unit with rack mounting, 12× 3.5" SATA 6Gb/sec drive bays, LED indicators, power button, 1× USB 3.2 type C, 0-40°C operating temperature, 2× 70mm fans, Kensington security slot, supported OS: QNAP QTS/QTS hero, Windows, Linux, Mac, dimensions: 88.6 × 482 × 562.5 mm
1,049 €
Buy
Ordered on request
Order Code: QL2020mv019
QNAP TL-D1600S
NAS Expansion Unit - expansion unit with 12× 3.5" SATA 6Gb/sec and 4× 2.5" SATA 6Gb/sec, LED indicators, LCD display, power button, 0-40°C operating temperature, 3× 92mm fans, Kensington security slot, supported OS: QNAP QTS/QuTS hero, Windows, Linux, dimensions: 303.84 × 369.89 × 319.8mm
1,089 €
Buy
Ordered on request
Order Code: QL2020mv016
QNAP TL-R400S
NAS Expansion Unit - 1U rack-mounted expansion unit, 4×3.5" SATA 6Gb/s, LED indicators, power button, operating temperature 0-40 °C, host interface 1× SFF-8088, 2× 40mm fan, Kensington security slot, supported OS: QNAP QTS/QTS hero, Windows, Linux
476.90 €
Buy
Ordered on request
Order Code: QL2020mv015
QNAP TL-R1200S-RP
NAS Expansion Unit - 2U expansion unit with rack mounting, 12× 3.5" SATA 6Gb/sec, LED indicators, power button, 0-40°C operating temperature, 2× 70mm fans, Kensington security slot, supported OS: QNAP QTS/QuTS hero, Windows, Linux
1,639 €
Buy
In stock 1 pcs
Order Code: QL2020mv014
2.0
QNAP TR-004U
NAS Expansion Unit - 4-disk external rackmount expansion drive, 3.5" SATA, USB 3.0 Type-C, for QNAP NAS, Windows, Mac, Linux computers
407.90 €
Buy
Ordered on request
Order Code: QL273i1
Synology RX418
NAS Expansion Unit - for 2.5/3.5" SATA III HDD/SSD, Rack 1U
591.90 €
Buy
On the way 1 pcs
Expected 20/04/2026
Order Code: FN160a2
4.7
Synology DX517
NAS Expansion Unit - 5× 2.5/3.5" SATA III HDD/SSD drive bays, with Hot swap function, dimensions 233 × 248 × 157 mm (H×W×H), weight 3,91 kg
529.90 €
Buy
Ordered on request
Order Code: FN160a1
Synology RX1217RP
NAS Expansion Unit - for 12 x 2.5/3.5" SATA III HDD/SSD, RP source, Rack 2U
2,099 €
Buy
Ordered on request
Order Code: FN160a3
Synology DX1215
NAS Expansion Unit -the NAS server (for compatible models), 12x for 2.5/3.5" SATA II/III HDD/SSD, Hot-swap
986.90 €
Buy
Ordered on request
Order Code: FN149l3
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