QNAP ES1686DC - NAS server - 16 bays - rack-mountable - SAS 12Gb/s - RAID 0, 1, 5, 6, 10, JBOD, 5 hot spare, 6 hot spare, 10 hot spare, 1 hot spare - RAM 64 GB - Gigabit Ethernet / 10 Gigabit Ethernet - iSCSI support - 3U
CPU
Intel Xeon D-2142IT 8-core 1.90 GHz processor (burst up to 3.0 GHz) per controller
CPU Architecture
64-bit x86
Floating Point Unit
Yes
Encryption Engine
Yes (AES-NI)
System Memory
64 GB RDIMM DDR4 ECC (4 x 16 GB) 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
16 x 3.5-inch
SAS 12Gb/s, backward-compatible to SAS 6Gb/s
Drive Compatibility
3.5-inch bays:
3.5-inch SAS/SATA hard disk drives
2.5-inch SAS/SATA hard disk drives
2.5-inch SAS/SATA solid state drives
The QDA-SA adapter is designed for QNAP Enterprise ZFS NAS and allows the use of a SATA 6Gbps drive in a 3.5-inch SAS drive bay
Hot-swappable
Yes
SSD Cache Acceleration Support
Yes
Read cache only
Cache for Copy To Flash (C2F)
1 per each controller (64GB)
Gigabit Ethernet Port (RJ45)
3 for each controller (one for remote management)
10 Gigabit Ethernet Port
4 x 10GbE SFP+ for each controller
Jumbo Frame
Yes
PCIe Slot
2
Slot 1: PCIe Gen 3 x8 (CPU)
Slot 2: PCIe Gen 3 x8 (CPU)
USB 3.2 Gen 1 port
2 per each controller
Form Factor
3U 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