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Chapter 2. Hardware Specifications
Caution: Modifying the hardware, software, or firmware of the QNAP products will void the
warranty. QNAP is not responsible for any form of damage or loss of data caused by modifying the
QNAP products. Users should bear their own risks of all sorts of possible data loss or system instabilities
due to changing the hardware parts, modifying the default system firmware or installing any
unauthorized third party applications on QNAP products.
Model No.
Form Factor
Processor
Storage Controller
(x2 for every system)
Number of Disk
Drives
HDD Interface
JBOD
Expansion connectors
(x2 for every system)
Battery-Backed Write
Cache (x2 for every
system)
10G LAN Port (x2 for
every system)
PCIe expansion slots
(x2 for every system)
ES1642dc
3U, Rackmount
Intel Xeon E5-2420 v2
(2.2GHz, 6 core, 15MB L3, 80W TDP)
DDR3 ECC RDIMM
16GB x2 ( total of 32GB)
16GB x 1 (NVRAM)
16 x 2.5"/3.5"
4 x 2.5" SSD
(Default configuration for
read cache acceleration )
12 X 3.5"
SAS 12Gb/s; backward-
compatible to SAS 6Gb/s
and SATA (SATA drives
need SAS-to-SATA interposer
boards.)
Two mini-SAS 12Gb/s ports (SFF-
8644)
M.2 2280 for NVRAM (SATA
signal)
Four SFP+ (Intel XL710-AM1)
PCIe Slot x8 (Gen3 x8) for 40GbE network cards
PCIe Slot x4 (Gen2 x4): Pre-installed with a dual-port mini-SAS adapter
ES1640dc
16 x 2.5"/3.5"
4 x 2.5" SSD (Default configuration
for read cache acceleration )
12 X 3.5"
SAS 6Gb/s backward-compatible to
SATA (SATA drives need SAS-to-SATA
interposer boards.)
Two mini-SAS 6Gb/s ports (SFF-8088)
mSATA for NVRAM
Two RJ45 (Intel X540-BT2)
11
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