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White four-bay desktop NAS with front drive trays and status LEDs

Qnap

Qnap TS-431KX-2G-US 2GB DDR3 4-Bay NAS

SKU CH-3QGT-M1G4K MPN TS-431KX-2G-US

Four-bay diskless NAS with 10 GbE SFP+, dual Gigabit LAN and 2 GB DDR3, expandable to 88 TB

  • TypeDesktop NAS
  • Ports1 x 10GbE SFP+ / 2 x 1GbE / 2 x USB 3.2 Gen 1
  • Port RJ-452 x Gigabit Lan 1 x 10GbE SFP+
  • Port USB3 x USB 3.2 Gen 1
  • HDD Interface4 x SATA (4 x Bay)
  • Form Factor4-Bay
  • 10 GbE SFP+ port enables ultra-fast network transfers
  • Dual 1 GbE RJ-45 links provide redundant wired connections
  • Three USB 3.2 Gen 1 ports allow quick external drive attachment
  • Four drive bays support up to 88 TB of SATA storage
  • 2 GB DDR3 memory expandable to 8 GB via SODIMM slot

Four-bay desktop NAS with 10GbE SFP+

The Qnap TS-431KX-2G-US is a diskless desktop network-attached storage device that holds four SATA drives and runs QTS 4.4.2 on an Annapurna Labs processor with 2GB DDR3 installed. It provides two Gigabit RJ-45 ports, one 10GbE SFP+ port and three USB 3.2 Gen 1 ports for external storage or backup targets. Maximum raw capacity reaches 88TB with compatible 3.5-inch hard drives or 2.5-inch SSDs.

Who this suits and who it does not

This NAS suits small offices or advanced home users who need 10GbE uplink capability and hardware RAID performance in a compact diskless chassis. It is not for buyers who require out-of-the-box storage, ECC memory support, or more than eight gigabytes of total system memory.

The specification that decides fit

The single 10GbE SFP+ port is the deciding factor; the unit only reaches ten-gigabit speeds when a compatible SFP+ transceiver and switch are available, otherwise it operates at gigabit over the two RJ-45 ports.

주요 특징

  • 10 GbE SFP+ port enables ultra-fast network transfers
  • Dual 1 GbE RJ-45 links provide redundant wired connections
  • Three USB 3.2 Gen 1 ports allow quick external drive attachment
  • Four drive bays support up to 88 TB of SATA storage
  • 2 GB DDR3 memory expandable to 8 GB via SODIMM slot

사양

BrandQNAP
ModelTS-431KX-2G-US
TypeDesktop NAS
Ports1 x 10GbE SFP+ / 2 x 1GbE / 2 x USB 3.2 Gen 1
Port RJ-452 x Gigabit Lan
1 x 10GbE SFP+
Port USB3 x USB 3.2 Gen 1
HDD Interface4 x SATA (4 x Bay)
Form Factor4-Bay
Operating SystemQTS 4.4.2 (embedded Linux)
ProcessorAnnapurna Labs
Installed Memory2GB DDR3
Max Memory Capacity8GB
Memory Slot1 x DDR3 SODIMM
Included HDD CapacityDiskless System
Max Capacity88TB
Drive Compatibility3.5" SATA HDD
2.5" SATA SSD
LEDsPower, Status, LAN, USB, HDD1-4
Power90W Adapter, 100-240V
Power Consumption:
- HDD Sleep Mode 11.65 W
- Operating Mode, Typical 26.7 W
Power Consumption26.7 W (Access)
11.65 W (HDD Hibernation)
TemperatureOperating temperature 0 - 40°C (32°F - 104°F)
Humidity5-95% RH non-condensing, wet bulb: 27°C (80.6°F)
UsageHigh read/write performance with RAID
Dimensions6.34" x 6.30" x 8.62"
Weight4.48 lbs.
Package ContentsTS-431KX
2 x Ethernet cable
1 x Power cord
Flat head screw (for 3.5" HDD)
Flat head screw (for 2.5" HDD)
Adapter
Quick installation guide (QIG)
배송 무게3.46 kg
포장 크기338 × 320 × 264 mm

이 상품에 대한 질문

How do I confirm the Annapurna Labs processor and QTS 4.4.2 are running correctly after initial setup?

Log into the QTS web interface; the dashboard shows processor model, 2GB DDR3 memory and firmware version. Drive LEDs for each of the four bays and the LAN indicators should display steady green when drives and network links are active.

What ships with the TS-431KX-2G-US and what must I purchase separately?

The box contains the NAS unit, two Ethernet cables, a 90 W power adapter and a power cord. Four 3.5″ SATA HDDs or 2.5″ SATA SSDs and any DDR3 SODIMM upgrade up to 8 GB are sold separately.

Should I choose the 2 GB model or add a DDR3 SODIMM to reach 8 GB for RAID workloads?

The installed 2 GB DDR3 handles typical file sharing and backup. For heavier RAID workloads or multiple concurrent services, adding a compatible DDR3 SODIMM to the single slot for up to 8 GB total improves responsiveness.

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