Memblaze PBlaze7 7940 Series 12.8TB E1.S-9.5MM PCIe 5.0

12.8 TB · NVMe PCIe 5.0 · 13500 MB/s read

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Capacity 12.8 TB
Type NVMe PCIe 5.0
Sequential read 13500 MB/s
Sequential write 9500 MB/s

Memblaze PBlaze7 7940 Series 12.8TB E1.S-9.5MM PCIe 5.0 is an internal SSD with 12.8 TB of space, reading at up to 13500 MB/s. It came out in 2025.

Released: 2025-11-26

Specifications

Key specs

Capacity: 12.8 TB
Type: NVMe PCIe 5.0
Sequential read: 13500 MB/s
Sequential write: 9500 MB/s
Released: 2025-11-26
Part number: P7946RT1280M00
EAN / UPC: 5059902184870

Features

SSD capacity: 12.8 TB
SSD form factor: E1.S
Interface: PCI Express 5.0
NVMe: Yes
Memory type: 3D TLC
Component for: Server
Hardware encryption: Yes
Target workload: Write Intensive (WI)
Sequential read speed (ATTO): 13500 MB/s
Sequential write speed (ATTO): 9500 MB/s
Mean time between failures (MTBF): 2500000 h
Drive writes per day (DWPD): 3

Operational conditions

Operating temperature (T-T): 0 - 77 °C
Minimum operating temperature: 0 °C
Maximum operating temperature: 77 °C

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About this product

Memblaze PBlaze7 7940 Series 12.8TB E1.S-9.5MM PCIe 5.0 NVMe SSD Ultra-High Capacity PCIe 5.0 Enterprise SSD in Compact E1.S Form Factor The Memblaze PBlaze7 7940 Series 12.8TB E1.S-9.5MM PCIe 5.0 SSD is engineered for next-generation data centre and hyperscale environments requiring extreme performance density and scalable storage capacity. Leveraging PCIe 5.0 bandwidth and NVMe architecture, this enterprise-grade SSD delivers exceptional throughput, low latency and operational efficiency within a space-optimised E1.S 9.5mm form factor. Designed to meet the evolving needs of UK IT procurement teams, cloud service providers and enterprise infrastructure deployments, the PBlaze7 7940 Series enables high-density storage expansion without compromising performance. Key Features PCIe 5.0 x4 Interface with NVMe Architecture Utilises next-generation PCIe Gen5 bandwidth to deliver significantly higher throughput compared to PCIe 4.0, optimising performance for data-intensive workloads.

PBlaze7 7940 Series 12.8TB E1.S-9.5MM PCIe 5.0 vs similar internal SSDs

	Memblaze PBlaze7 7940 Series 12.8TB E1.S-9.5MM PCIe 5.0	Memblaze PBlaze7 7940 Series 12.8TB E3.S-7.5MM PCIe 5.0	Memblaze PBlaze7 7940 Series 12.8TB U.2-15MM PCIe 5.0	Memblaze PBlaze7 7940 Series 15.36TB E1.S-9.5MM PCIe 5.0
Capacity	12.8 TB	12.8 TB	12.8 TB	15 TB
Type	NVMe PCIe 5.0	NVMe PCIe 5.0	NVMe PCIe 5.0	NVMe PCIe 5.0
Sequential read	13500 MB/s	13500 MB/s	13500 MB/s	13500 MB/s
Sequential write	9500 MB/s	9500 MB/s	9500 MB/s	9500 MB/s
Released	2025	2025	2025	2025