QNAP TS-1655

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Status: Currently sold

A 16-bay desktop tower NAS with twelve 3.5-inch bays, four 2.5-inch SSD bays and two M.2 NVMe slots for cache or fast storage. It has two 2.5GbE ports, three PCIe slots for 10GbE or 25GbE cards and an 8-core Intel Atom. It supports ECC memory up to 128 GB, though the included module isn't ECC.

Bays	12
CPU	Intel Atom C5125
Cores / Threads	8 / 8
RAM	8 GB
Product category	Business Storage
Badge	QuTS hero
Hardware support status	Full
OS/app support	Full
Technical support end	Active
Recommended replacement	-
Release year	2023
RAID levels	Single, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50, RAID 60
PCIe slot types	3x PCIe Gen 3 x4
RAM (max)	128 GB
Memory slots	4
Memory generation	DDR4
Memory speed (MT/s)	2933 MT/s
ECC memory	Supported
Memory module type	UDIMM
Replaceable memory	Replaceable
Network ports	2x 2.5GbE
USB ports	4x USB 3.2 Gen 1
PCIe expansion	3
M.2 slots	2
Drive bay types	3.5-inch bays:; 3.5-inch SATA hard disk drives; 2.5-inch SATA solid state drives; ; 2.5-inch bays:; 2.5-inch SATA solid state drives
Hot-swappable bays	Yes
CPU frequency (GHz)	2.8
Power draw, active (W)	104.65
Power draw, hibernation (W)	68.004
Power supply (W)	550
Noise level (dBA)	25.4
Dimensions H x W x D	11.6 x 14.6 x 12.6 in (294 x 370 x 320 mm)
Weight	31.4 lb (14.24 kg)
Largest certified configuration observed	384 TB (12 x Seagate ST32000NT000, largest drive on the vendor HCL today; not a hardware limit)
Estimated cost to fill every bay with a certified 8 TB drive	about $3,240 new (Seagate ST8000NM017B) / about $3,780 refurbished (Seagate ST8000NE001) / about $3,540 used (Western Digital WD8003FFBX) -- one observed eBay unit price incl. shipping x bays; quantity availability unverified
Estimated cost to fill every bay with a certified 16 TB drive	about $6,000 new (Seagate ST16000NM000J) / about $5,100 refurbished (Seagate ST16000NM001G) / about $3,708 used (Seagate ST16000NM001G) -- one observed eBay unit price incl. shipping x bays; quantity availability unverified

• 12x HDD + 4x SSD hybrid storage
• 2x M.2 NVMe slots, 2x 2.5GbE, 3x PCIe slots
• Long-term availability (Up to year 2030)

Search Amazon Search eBay (new from $2237.39) Official product page + Compare

4 eBay listings checked Nov 9, 2026 · 3 new, 1 used (too few used listings to show a reliable used price)

Documents

• Product User Guide (PDF)

Compatible Drives

433 drives certified on TS-1655's official manufacturer compatibility list, sourced directly from QNAP's own published Hardware Compatibility List. Each model links to that drive's own compatibility page.

Certified list last checked 2026-09-16.

Compatible Memory

12 memory modules listed by QNAP as compatible with TS-1655. Third-party modules may also work, but are not shown here unless QNAP itself lists them as compatible.

Certified list last checked 2026-09-09. Coverage varies by model. Rated module speed is not a guarantee of NAS operating speed; follow the NAS maximum capacity and installation rules.

Looking for cameras compatible with QNAP NAS units? See the full QNAP camera compatibility database.