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Application for QM2 SSD slots:
- Create a volume on these SSD and use them as extra storage
- Enable Read Cache
- Enable Read/Write Cache
- Enable Qtier feature
- Boost performance in case of memory swapping
QNAP TVS-873e-64G Diskless, AMD R-Series RX-421BD quad-core 2.1 GHz processor, burst up to 3.4 GHz, 64GB DDR4(expandable to 16GB),High-performance 10GbE-enabled business NAS with powerful quad-core AMD R-Series APU
|CPU||Processor: AMD R-Series RX-421BD quad-core 2.1 GHz processor, Turbo Core up to 3.4 GHz
Graphics: Embedded Radeon™ R7 graphics processor
Encryption Engine: AES-NI
|System Memory||4 GB DDR4 (2 x 2 GB)|
|Maximum Memory||64 GB (4 x 16 GB)|
|Memory Slot||4 x SODIMM DDR4
(For dual- or quad-DIMM configurations, you must use a pair of identical DDR4 modules.)
|Flash Memory||512MB DOM|
|Drive Bay||8 x SATA 6 Gbps|
|Drive Compatibility||• 3.5-inch SATA hard disk drives
• 2.5-inch SATA hard disk drives
• 2.5-inch SATA solid state drives
|M.2 SSD Slot||2 x M.2 2260/2280 SATA 6Gb/s SSDs
1. The M.2 SSD is not included as standard.
2. M.2 SSD operations can easily generate excessive heat. It is recommended to install a heatsink (from QNAP or a third-party provider) on the M.2 SSD.
|SSD Cache Acceleration Support||• Drive bays 1 to 8
• M.2 slots 1 to 2
• Optional: SSD using PCIe expansion slot
The following are not hot-swappable: M.2 SSDs, SSD cache drives, SSDs using PCIe expansion slots.
|Gigabit Ethernet Port||4 x RJ45|
|USB QuickAccess Port||USB Micro-B|
|PCIe Slot||2 x PCIe 3.0 x4
Note: Support 10GbE LAN card, USB 3.1 Gen2 (10Gb/s) expansion card, QM2 card, or PCIe wireless network card.
|USB Port||4 x USB 3.0 (Front: 1; Back: 3)|
|HDMI Output||2 x HDMI 1.4b (up to 3840 x 2160 resolution at 30 Hz)|
|Audio||• 2 x 3.5 mm dynamic microphone jacks
• 1 x 3.5 mm line-out jack
• 1 x speaker
Note: You cannot use the speaker(s) and the line-out jack simultaneously.
|Display Panel||Monochrome backlit LCD display with Enter and Select buttons|
|USB One Touch Copy||Front: USB 3.0|
|IR sensor||QNAP RM-IR004 remote control (MCE compatible) (sold separately)|
|Dimensions (H x W x D)||188.2 x 329.3 x 279.6 mm
7.41 x 12.96 x 11.01 inch
|Net Weight||6.56 kg (14.46 lbs)|
|Power Consumption (W)||HDD standby: 36.43 W
In operation: 70.26 W
(with 8 x 2TB HDDs installed)
|Sound Level||23.4 dB(A)|
|Power Supply Unit||250W, 100-240V AC, 50/60Hz, 3.5A|
|Fan||System: 2 x 120 mm
CPU: 1 x 60 mm
|Operating Temperature & Relative Humidity||0 ~ 40˚C ( 32˚F ~ 104˚F ), 5 ~ 95% RH non-condensing, wet bulb: 27˚C (80.6˚F)|
|Security Slot||Kensington security slot|
Application for QM2 SSD slots:
Configured system orders start here!
The selected drives are batch controlled and tested using our HDD and SSD servers. Passed drives are then installed in the NAS with Volume and RAID set. Our pre-burn testing prepares the NAS with an initial system and drive testing cycle to ensure that the integrity of the entire system is tested and passed with no issues at all.
Our stress testing (burn-test) cycle commences for a minimum of 24 hours and extends to 48 hours if requested or required. This is undertaken in order to ensure stability when used in a normal environment. These tests can include extremes of workload (constant I/O's), CPU and memory use, thermal load (heat), clock speed, or voltages, bus and connectivity components, with the primary stress testing software aiming to test stability by trying to force a system to fail. Our tests put a greater emphasis on robustness, availability and error handling heavy loads.
Once the tests are complete we QA and pack the system back into it's retail box. Then it's double boxed to protect the unit during shipping. You receive your QNAP NAS Ready To Plug 'N' Store. It doesn't get any easier. Buy your NAS from the QNAP EXPERTS at QNAP DIRECT.