6-bay Xeon tower NAS
QNAP TS-h686-D1602-8G
A diskless six-bay tower NAS supplied with an Intel Xeon D-1602 2-core processor, 8GB ECC DDR4, four 3.5-inch bays, two 2.5-inch bays, two M.2 NVMe slots and four 2.5GbE ports.
Compact ECC-protected storage with M.2 and PCIe expansion
The QNAP TS-h686-D1602-8G combines six SATA bays, dual M.2 NVMe slots, ECC memory and four 2.5GbE ports in a tower chassis. The supplied content positions it for business file serving, virtualisation, containers, backup, sharing and disaster recovery, with QuTS hero data-integrity services and flexible PCIe expansion.
Key features and benefits
Xeon and ECC platform
The Intel Xeon D-1602 is paired with 8GB ECC DDR4, with a supplied maximum of 128GB.
Six-bay hybrid layout
Four 3.5-inch bays and two 2.5-inch bays support the listed SATA drive configurations.
Dual M.2 NVMe slots
Two M.2 22110/2280 PCIe Gen 3 x4 slots support compatible NVMe SSDs and SSD caching.
Four 2.5GbE ports
Four built-in multi-speed 2.5GbE ports support accelerated team file sharing and networked applications.
Dual PCIe expansion
Two PCIe Gen 3 x8 slots support the supplied adapter categories, including faster networking and graphics options.
QuTS hero data services
The source includes inline deduplication and compression, snapshots and real-time SnapSync.
Who is the QNAP TS-h686-D1602-8G best for?
A strong choice for
- Business file servers and centralised storage
- Virtual machines and containerised applications
- Backup, sharing and disaster recovery
- Hybrid HDD, SATA SSD and M.2 cache configurations
- Buyers planning PCIe expansion
Consider another model if you need
- Built-in 10GbE rather than optional faster networking
- More than six SATA drive bays
- A rackmount enclosure
- A system supplied with drives
- Hardware-accelerated transcoding without an optional PCIe adapter
Key specifications
- Processor
- Intel Xeon D-1602, 2-core/4-thread, up to 3.2GHz
- Memory
- 8GB UDIMM DDR4 ECC (2 × 4GB); maximum 128GB (4 × 32GB)
- Drive bays
- 4 × 3.5-inch SATA + 2 × 2.5-inch SATA; shipped without HDD
- Drive compatibility
- 3.5-inch SATA HDDs, 2.5-inch SATA HDDs and SSDs in 3.5-inch bays; 2.5-inch SATA SSDs in 2.5-inch bays
- M.2 slots
- 2 × M.2 22110/2280 NVMe PCIe Gen 3 x4
- Networking
- 4 × 2.5GbE; 5GbE and 25GbE optional via adapters as supplied
- PCIe
- 2 × PCIe Gen 3 x8
- USB
- 3 × USB 3.2 Gen 1
- Form factor
- Tower
- Dimensions
- 225 × 224.9 × 319.8 mm, excluding foot pad
- Net weight
- 8.44 kg
- Standard warranty
- 3 (unit not stated in supplied source)
Full technical specifications
View all supplied technical specifications
| CPU | Intel® Xeon® D-1602 2-core/4-thread processor, up to 3.2 GHz |
|---|---|
| CPU Architecture | 64-bit x86 |
| Floating Point Unit | Supported |
| Encryption Engine | Supported (AES-NI) |
| Hardware-accelerated Transcoding | Optional via a PCIe adapter |
| System Memory | 8 GB UDIMM DDR4 ECC (2 x 4 GB) |
| Maximum Memory | 128 GB (4 x 32 GB) |
| Memory Slot | 4 x UDIMM DDR4 For dual-DIMM configurations, you must use a pair of identical DDR4 modules. |
| Flash Memory | 5GB (Dual boot OS protection) |
| Drive Bay | 4 x 3.5-inch SATA 6Gb/s, 3Gb/s + 2 x 2.5-inch SATA 6Gb/s, 3Gb/s The system is shipped without HDD. |
| Drive Compatibility | 3.5-inch bays: 3.5-inch SATA hard disk drives 2.5-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 | Supported |
| M.2 Slot | 2 x M.2 22110/2280 NVMe PCIe Gen3 x4 slots Compatible with NVMe SSD PCIe Gen 3 and above. |
| SSD Cache Acceleration Support | Supported |
| GPU pass-through | Supported |
| SR-IOV | Supported |
| 2.5 Gigabit Ethernet Port (2.5G/1G/100M) | 4 (2.5G/1G/100M/10M) |
| 5 Gigabit Ethernet Port (5G/2.5G/1G/100M) | Optional via an adapter |
| 25 Gigabit Ethernet Port | Optional via an adapter |
| Wake on LAN (WOL) | Supported Only the 2.5GbE port |
| Jumbo Frame | Supported |
| PCIe Slot | 2 Slot 1: PCIe Gen3 x8 Slot 2: PCIe Gen3 x8 Card dimensions for PCIe slot 1:260 x 111.15 x 37.52 mm / 10.25 x 4.38 x 1.48 inches. Card dimensions for PCIe slot 2:150 x 68.9 x 37.52 mm / 5.90 x 2.71 x 1.48 inches. |
| USB 3.2 Gen 1 port | 3 |
| Form Factor | Tower |
| LED Indicators | System status, LAN, USB, Disk 1~6, M.2 SSD 1~2 |
| Buttons | Power, Reset, USB Auto Copy |
| Dimensions (HxWxD) | 225 × 224.9 × 319.8 mm Dimensions do not include foot pad (foot pad may be up to 30mm / 1.18 inches high depending on model) |
| Weight (Net) | 8.44 kg |
| Weight (Gross) | 8.7 kg |
| Operating Temperature | 0 - 40°C (32°F - 104°F) |
| Storage Temperature | -20 - 70°C (-4°F - 158°F) |
| Relative Humidity | 5-95% RH non-condensing, wet bulb: 27°C (80.6°F) |
| Power Supply Unit | 250W PSU, 100~240V |
| Power Consumption: Operating Mode, Typical | 61.115 W Tested with drives fully populated. |
| Fan | System fan: 1 x 97mm, 12VDC CPU fan: 1 x 90mm, 12VDC |
| System Warning | Buzzer |
| Kensington Security Slot | Supported |
| Standard Warranty | 3 |
| Max. Number of Concurrent Connections (CIFS) - with Max. Memory | 10000 |
Frequently asked questions about the QNAP TS-h686-D1602-8G
What is the QNAP TS-h686-D1602-8G?
It is a diskless six-bay tower NAS with a Xeon D-1602 processor, 8GB ECC DDR4, two M.2 NVMe slots and four 2.5GbE ports.
How are its drive bays arranged?
The source lists four 3.5-inch SATA bays and two 2.5-inch SATA bays.
How much memory is installed?
The table lists 8GB ECC DDR4 as two 4GB modules, with a maximum of 128GB.
What networking is built in?
Four multi-speed 2.5GbE ports are listed. Faster network options are described as adapter-based.
Does it include M.2 slots?
Yes. Two M.2 22110/2280 NVMe PCIe Gen 3 x4 slots are supplied.
Is it supplied with drives?
No. The source says the system is shipped without HDDs.
What is the warranty period?
The source gives the value 3 without a unit, so the duration cannot be confirmed.
