Is this NAS compatible with both SSD and HDD drives, and what is the maximum storage capacity it can support?

Yes, this NAS is compatible with both 3.5" SATA HDDs and 2.5" SATA HDDs as well as 2.5" SATA SSDs. The maximum storage capacity it can support is 88TB.

What are the dimensions and weight of the QNAP TS-431X3-4G-US NAS unit?

Dimensions: 6.65 × 6.3 × 8.62 inch, Weight: 4.43 lbs (Net), 7.65 lbs (Gross)

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QNAP TS-431X3-4G-US 4 Bay Diskless Desktop Network Attached Storage

Name: QNAP TS-431X3-4G-US 4 Bay Diskless Desktop Network Attached Storage
Uploaded: 2026-09-02
Description: QNAP TS-431X3-4G-US 4 Bay Diskless Desktop Network Attached Storage

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Manufacturer: Qnap
Manufacturer Part Number: TS-431X3-4G-US
UPC: 885022018888

Overview

Specs

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1X10GBE SFP+ 1X 2.5GBE 1XGBE

Model
Brand	QNAP
Model	TS-431X3-4G-US
Type	Desktop NAS

Interfaces
Port RJ-45	1 x 2.5GbE + 1 x 1GbE
HDD Interface	4 x SATA (4 x Bay)

Configuration
Form Factor	4-Bay
Processor	Alpine AL314, 4-core, 1.7GHz
Installed Memory	4 GB SODIMM DDR3
Max Memory Capacity	8GB
Memory Slot	1 x DDR3 SODIMM

Hard Drive Performance
Included HDD Capacity	Diskless System
Max Capacity	88TB
RAID	RAID 0, 1, 5, 6, 10, and JBOD
Drive Compatibility	3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD

Convenience
Supported Protocols	AFP CIFS/SMB FTP FXP HTTP HTTPS IPv4 IPv6 NFS SFTP SMTP SNMP v2 SNMP v3 SSH SSL TFTP Telnet WebDAV iSCSI

Power
Power	90W adapter (12VDC), 100-240VAC

Environmental
Temperature	Operating Temperature: 0 - 40 °C (32°F - 104°F) Storage Temperature: -20 - 70°C (-4°F - 158°F)
Humidity	5-95% RH non-condensing, wet bulb: 27°C (80.6°F)

Features
Usage	Backup & stream media through personal cloud

Dimensions & Weight
Dimensions	6.65 × 6.3 × 8.62 inch
Weight	Weight (Net): 4.43 lbs Weight (Gross): 7.65 lbs

Additional Information
First Listed on Newegg	January 27, 2021

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies

Return for refund within: 30 days
Return for replacement within: 30 days
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Manufacturer Contact Info

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QNAP TS-431X3-4G-US 4 Bay Diskless Desktop Network Attached Storage

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Item#: 2HT-0014-000M7

QNAP TS-431X3-4G-US 4 Bay Diskless Desktop Network Attached Storage

Learn more about the Qnap TS-431X3-4G-US

Customer Reviews of the Qnap TS-431X3-4G-US

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies

Manufacturer Contact Info