Specifications
MPN
MZTL6960HFJA-00AW7
Series
Samsung PM9D3a
Capacity
960 GB
Form Factor
E1.S (EDSFF)
Interface
PCIe Gen5 x4, NVMe 2.0
NAND
8th-generation 3D TLC V-NAND
Sequential Read
Up to 12,000 MB/s
Sequential Write
Up to 3,000 MB/s
Random Read
Up to 2,000K IOPS
Random Write
Up to 120K IOPS
DWPD
1 DWPD (5-year)
Power
Up to 18 W active
Endurance
1.75 PBW
MTBF
2.5M hours
UBER
1 sector per 10^17 bits read
Protocol
NVMe 2.0, OCP 2.5 compliant
Security
SED / TCG Opal option
Operating Temp
0 C to 70 C
Warranty
5 years
Overview
The MZTL6960HFJA-00AW7 is the 960 GB E1.S build of the Samsung PM9D3a Gen5 enterprise SSD. Sub-terabyte Gen5 EDSFF modules are bought for speed rather than capacity: 2,000K IOPS random read and 12,000 MB/s sequential read make the part a cache and metadata tier in front of a larger, slower pool.
E1.S is the OCP-preferred server storage form factor because it hot-swaps from the front like a 2.5-inch drive but occupies a fraction of the volume, which is how current 1U platforms reach high drive counts. A row of E1.S modules also gives each device a dedicated airflow channel.
The drive carries NVMe 2.0 and OCP 2.5 compliance and a 1 DWPD five-year rating, so it can be written continuously as a cache tier without falling outside its endurance specification.
Key Benefits
Gen5 cache tier: 2,000K IOPS random read for metadata and hot-data caching. E1.S hot-swap: front-serviceable EDSFF in high-density bays. OCP 2.5 compliant: current hyperscale specification. 1 DWPD: continuous cache write endurance over five years.
Applications
NVMe cache and metadata tiers, journal and write-ahead-log storage, AI inference KV caches, low-latency database tiers, and high-density OCP-specification storage nodes.
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