24-Bay Dual-Controller Enterprise ZFS NAS
QNAP ES2486dc-2142IT-96G Enterprise NAS
A 2U dual-active-controller enterprise NAS with twenty-four 2.5-inch SAS bays, Intel Xeon D-2142IT processing, 48GB RDIMM DDR4 ECC per controller and four 10GbE SFP+ ports per controller.
High-availability all-flash storage with QES and ZFS
The QNAP ES2486dc-2142IT-96G is a dual-active-controller Enterprise ZFS NAS designed for high-availability all-flash storage. Its twenty-four 2.5-inch SAS bays, QES operating system, ZFS data services, per-controller 10GbE connectivity and redundant hot-swap power suit mission-critical file services, virtualisation, VDI, backup and recovery.
Key features and benefits
Dual active controllers
The dual-controller design is positioned for high availability and continuous business services.
Twenty-four 2.5-inch bays
The 2.5-inch bays support the listed SAS drives, with SATA drives requiring the stated QDA-SA3 adapter.
QES with ZFS
QES provides the listed snapshots, SnapSync, inline deduplication and inline compression functions.
Per-controller 10GbE
Four 10GbE SFP+ ports are listed for each controller.
ECC memory architecture
Each controller includes 48GB RDIMM DDR4 ECC, with a stated maximum of 512GB.
Redundant power and cooling
Redundant hot-swap power and hot-swappable fan modules support enterprise rack deployment.
Who is this model best for?
A strong choice for
- High-availability all-flash storage
- Mission-critical file services
- Virtualisation and VDI storage
- Enterprise backup and recovery
- 2U rackmount data-centre deployments
Consider another model if you need
- You need 3.5-inch drive bays
- You plan to install SATA drives without the required adapter
- You need a single-controller desktop NAS
Key specifications
- Processor
- Intel Xeon D-2142IT 8-core 1.90GHz, up to 3.0GHz
- Memory
- 48GB RDIMM DDR4 ECC per controller
- Maximum memory
- 512GB per controller configuration
- Drive bays
- 24 × 2.5-inch SAS 12Gb/s
- 10GbE
- 4 × 10GbE SFP+ per controller
- Gigabit Ethernet
- 3 ports per controller; one assigned for remote management
- PCIe slots
- 2 × PCIe Gen3 x8 per controller
- Form factor
- 2U rackmount
- Power supply
- Redundant hot-swap, 700W
- Dimensions
- 88.3 × 446.2 × 504.1 mm
Full technical specifications
Processor, memory and storage
| CPU | Intel® Xeon® D-2142IT 8-core 1.90 GHz processor, up to 3.0 GHz |
|---|---|
| CPU Architecture | 64-bit x86 |
| Floating Point Unit | Supported |
| Encryption Engine | Supported (AES-NI) |
| System Memory | 48 GB RDIMM DDR4 ECC (4 x 4 GB+4 x 8GB) per controller |
| Maximum Memory | 512 GB (8 x 64GB) |
| Memory Slot | 8 x R-DIMM/LR-DIMM DDR4 IMPORTANT: You can only use one type of dual in-line memory module (DIMM) at a time. Do not use registered DIMM (RDIMM) with load-reduction DIMM (LRDIMM) memory. |
| Flash Memory | 4GB (Dual boot OS protection) |
| Drive Bay | 24 x 2.5-inch SAS 12Gb/s, backward-compatible to SAS 6Gb/s |
| Drive Compatibility | 2.5-inch bays: 2.5-inch SAS/SATA hard disk drives 2.5-inch SAS/SATA solid state drives 1. When installing SATA HDD/SSD, QDA-SA3 adapter is required. 2. The QDA-SA3 adapter is designed for QNAP Enterprise ZFS NAS and allows the use of a SATA 6Gbps drive in a 2.5-inch SAS drive bay |
| Max. Number of Concurrent Connections (CIFS) - with Max. Memory | 10000 |
Software and system features
| Hot-swappable | Supported |
|---|---|
| SSD Cache Acceleration Support | Supported Read cache only |
| Cache for Copy To Flash (C2F) | 1 per each controller (64GB M.2 SSD) |
| PCIe Slot | 2 per controller Slot 1: PCIe Gen 3 x8 (CPU) Slot 2: PCIe Gen 3 x8 (CPU) Card dimensions for PCIe slot 1~Slot 2:215 x 68.9 x 18.76 mm / 8.46 x 2.71 x 0.74 inches. Wider cards can be installed if the next PCIe slot will not be used. |
| USB 3.2 Gen 1 port | 2 per each controller Note: The USB ports are for engineering purpose only. No external devices such as storage drives or UPS are supported. |
| System Warning | Buzzer |
| Safety Standard | FCC Class A (USA only) CE Mark ( EN55022 Class A, EN55024) EN60950 BSMI VCCI CB LVD |
Network, ports and switching
| Gigabit Ethernet Port (RJ45) | 3 for each controller (assign one for remote management) |
|---|---|
| 10 Gigabit Ethernet Port | 4 x 10GbE SFP+ for each controller |
| Wake on LAN (WOL) | Supported |
| Jumbo Frame | Supported |
Physical, environmental and power
| Form Factor | 2U Rackmount |
|---|---|
| LED Indicators | System Power LED (Green): on/off System Status (Green/ Orange): in operation, system errors, low power, degraded RAID mode, memory failure, fan/power supply failure, system/disk temperature too high, storage pool reaching threshold value, system performing take-over, power supply unit unplugged LCD Status Display (Two-digit number): Status of JBOD connection |
| Buttons | Power, Reset |
| Dimensions (HxWxD) | 88.3 × 446.2 × 504.1 mm |
| Weight (Net) | 23.4 kg |
| Weight (Gross) | 27.4 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 | Redundant/ Hot Swap Power Vin:90~264VAC;700W |
| Power Consumption: Operating Mode, Typical | 579.59 W Tested with drives fully populated. |
| Fan | Hot-swappable fan module (60*60*38mm; 16000RPM/12v/2.8A x 3) |
Frequently asked questions about the ES2486dc-2142IT-96G
What is the QNAP ES2486dc-2142IT-96G?
It is a 2U dual-active-controller Enterprise ZFS NAS with twenty-four 2.5-inch SAS bays.
Which processor does it use?
It uses an Intel Xeon D-2142IT 8-core 1.90GHz processor with speed up to 3.0GHz.
How much memory is included?
The specifications list 48GB RDIMM DDR4 ECC per controller.
How many drive bays does it have?
It has twenty-four 2.5-inch SAS bays.
Can SATA drives be installed?
The listed compatibility includes SATA drives only when the QDA-SA3 adapter is used.
How many 10GbE ports are provided?
Four 10GbE SFP+ ports are listed for each controller.
Does it support hot-swappable drives?
Yes. Hot-swappable drive support is listed.
How many PCIe slots are included?
Each controller has two PCIe Gen3 x8 slots.
What form factor does it use?
It uses a 2U rackmount chassis.
Does this configuration include drives?
No. This is a diskless configuration.
Important information
This is a diskless system.
Installing a SATA HDD or SSD in a 2.5-inch SAS bay requires the QDA-SA3 adapter described in the drive-compatibility information.
The USB ports are specified for engineering purposes only; external devices such as storage drives and UPS units are not supported.