Samsung MZQLW960HMJP 960GB PM963 NVMe PCIe Gen3 x4 2.5 inch Enterprise Solid State Drive

General

Brand	Samsung
Model	PM963
Capacity	960GB
Usage Class	Enterprise

Interface

Host Interface	NVMe PCIe Gen3 x4
Total Interface Bandwidth	32 Gb/s

Physical Dimension

Form Factor	2.5

Flash & Endurance

NAND Flash	Samsung V-NAND 3bit MLC (TLC)
Drive Writes Per Day	1.3
Total Bytes Written	1366 TBW

Performance

Sequential Read	2100 MB/s
Sequential Write	1200 MB/s
Random Read IOPS	380000
Random Write IOPS	35000
Average Latency	85 μs

Reliability

Mean Time Between Failures	2 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	Yes

Part Number

MPN	MZWLW960HMLP

Engineer's Note

Compared with the previous-generation MZWLW960HMLP, the MZQLW960HMJP PM963 delivers a clear platform upgrade with NVMe PCIe Gen3 x4 performance up to 2100/1200 MB/s and 380K/35K IOPS, enabling faster response and higher throughput for virtualized infrastructure and read-heavy database tiers. Its 960GB capacity, Samsung V-NAND 3bit MLC (TLC), and 1.3 DWPD / 1366 TBW endurance make it a stronger choice for mixed enterprise workloads that need better flash efficiency and dependable write life than earlier SATA- or prior-generation server SSD deployments.

Endurance & Reliability

With an endurance rating of 1366 TBW, the MZQLW960HMJP can sustain about 1.37 petabytes of total host writes, which is more than enough for typical OS, boot, logging, and general server workloads over many years of operation. In practical terms, this equals roughly 374 GB of writes per day for 10 years, so it can comfortably serve as a long-life system drive in most enterprise deployments. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and improving recovery confidence. Its UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, meaning the drive is designed for highly dependable data integrity in business-critical environments.

Technical Specs & Insights

1. The NVMe PCIe Gen3 x4 interface, paired with 2100 MB/s sequential read bandwidth, accelerates large-block data movement so database snapshots, VM boots, and analytics scans complete with less infrastructure wait time.
2. With 380,000 random read IOPS, the drive sustains highly concurrent small-block access, making it well suited for virtualized workloads, metadata-heavy applications, and read-intensive OLTP environments.
3. A 1.3 DWPD endurance rating supports consistent daily rewrites across the warranty life, giving enterprises a practical balance of performance and write durability for mixed-use server deployments.
4. Samsung V-NAND 3bit MLC (TLC) enables higher flash density with controlled power and cost efficiency, helping operators scale capacity economically without moving out of enterprise SSD reliability classes.
5. A typical latency of 85 µs helps shorten storage response time at the tail, improving application responsiveness and reducing transaction stalls in latency-sensitive data center workloads.

Capacity Sweet

Lower capacity reference: 480GB Higher capacity reference: 1.92TB Capacity positioning analysis: In this series, the 960GB model sits in the sweet spot between entry deployment and larger-scale expansion. Compared with the 480GB version, it provides much better space headroom for OS images, application data, logs, and overprovisioning, reducing capacity pressure in long-life enterprise use. Compared with the 1.92TB option, it delivers a more balanced purchase cost while keeping broadly similar sequential throughput and random IOPS for mainstream workloads. It is especially well suited for medium-sized virtualization clusters, such as hosting boot and utility volumes for about 40 to 60 business application instances.

FAQ