PHS-memory 16GB DDR4 ECC SO-DIMM 3200MHz PC4-25600E RAM QNAP TS-432X-4G (SP554385)

16GB of ECC DDR4 memory running at 3200MHz with a peak transfer rate of 25.6GB/s — this PHS-memory module is the upgrade your QNAP TS-432X-4G has been waiting for. Built on a 260-pin SO-DIMM form factor and operating at just 1.2V, it delivers server-grade reliability in a compact, energy-efficient package. Whether you are running virtual machines, handling heavy file transfers, or supporting multiple users, this single 16GB stick ensures your NAS keeps pace without breaking a sweat.

Overview

The PHS-memory SP554385 is a 16GB DDR4 ECC SO-DIMM designed specifically for the QNAP TS-432X-4G NAS. It uses unbuffered ECC technology to detect and correct single-bit memory errors, preventing data corruption and system crashes. With a CAS latency of CL22 and JEDEC-compliant PC4-25600E specification, it delivers stable performance for 24/7 operation. The module is a single 16GB stick, leaving room for future expansion, and its low 1.2V voltage reduces heat and power consumption compared to older DDR3 modules.

What stands out

• ECC error correction for maximum data integrity
• 3200MHz speed with 25.6GB/s bandwidth
• Low 1.2V power draw for energy efficiency
• Drop-in compatibility with QNAP TS-432X-4G
• 260-pin SO-DIMM form factor for compact NAS enclosures

Technical details

• Capacity: 16GB (1 x 16GB)
• Type: DDR4 ECC Unbuffered SO-DIMM
• Speed: 3200MHz (PC4-25600E)
• CAS Latency: CL22
• Voltage: 1.2V
• Pin Count: 260-pin
• Data Transfer Rate: 25.6GB/s
• Application: NAS / Server
• Compatibility: QNAP TS-432X-4G

Our verdict

For QNAP TS-432X-4G owners who need rock-solid stability and extra headroom, this PHS-memory module is a smart investment. It combines ECC protection, high bandwidth, and low power consumption in a single, easy-to-install stick. If your NAS is struggling with memory-intensive tasks or you simply want to future-proof your setup, this upgrade delivers exactly what it promises.