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PBlaze®7 7A40 Series NVMe SSD
PCIe 5.0, High Performance and Power Efficiency
PRODUCT OVERVIEW
Ultimate Performance for the AI Era

The PBlaze7 7A40 Series is an enterprise PCIe 5.0 SSD designed for AI infrastructure. Built on the Memblaze Unified Framework Platform and next-generation NAND flash, it delivers breakthrough performance and energy efficiency, offering up to 30.72TB per drive to efficiently handle demanding workloads such as KV Cache and Retrieval-Augmented Generation (RAG). By reducing data movement, the 7A40 enhances AI workload efficiency and provides a robust foundation for modern data-intensive applications.

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Key Features
Highlights
    • PCIe 5.0, NVMe 2.1
    • 3400K IOPS Sustained Random Read 
    • 1250K IOPS Sustained Random Write
    • 50/5 μs Ran. Latency Read/Write
    • 14.2 GB/s 128KB Sequential Read 
    • 12.0  GB/s 128KB Sequential Write
Reliability

     

    • Sanitize
    • Full Data Path Protection
    • Power Failure Protection
Easy-to-use
    • NVMe-MI
    • Telemetry
    • Firmware Upgrade without Reset
Advanced Feature Support

     

    • Advanced Device Self-Test
    • 128K Write Atomicity Normal
    • High Speed Enterprise TRIM
Applications & Workloads
    • Database
    • Searching, Indexing, CDN
    • Cloud and Hyper-scale
    • Computing
    • High Performance Software defined Storage
    • Deep Learning and Big Data
    • Analytics
    • High Performance Storage System
    • ERP, SAP HANA
    • BOSS, Banking, Taxing
    • High Frequency Trading
    • Online Payment
Datasheet
PBlaze7 7A40 Series [1] 7A40 7A46
User Capacity (TB) 3.84 7.68 15.36 30.72 3.2 6.4  12.8 25.6
128KB Sequential Read (GB/s) 14.2 14.2 14.2 14.2 14.2 14.2 14.2 14.2
128KB Sequential Write (GB/s) 9.3 11.2 12.0 11.9 9.3 11.2 12.0 11.9
Sustained Random Read (4KB) IOPS 3400K 3400K 3200K 3400K 3400K 3400K 3200K 3400K
Sustained Random Write
(4KB) IOPS (Steady State) 
570K 610K 680K 730K 1000K 1050K 1150K 1250K
Lifetime Endurance DWPD [2] 1 1 1 1 3 3 3 3
Random R/W Latency 50 / 5 μs
Sequential R/W Latency  6 / 5 μs
Interface PCIe 5.0 x4
Form Factor 2.5-inch U.2
Operating Temperature Case: 0°C to 77°C
Uncorrectable Bit Error Rate < 10-18
Mean Time Between Failures 2.5 million hours
Power off Retention 3 months @ 40°C
Protocol NVMe 2.1
NAND Flash Memory 3D TLC NAND
Operation System RHEL, SLES, CentOS, Ubuntu, Windows Server, VMware ESXi
Power Consumption < 25 W
Basic Feature Support Power Failure Protection, Full Data Path Protection, S.M.A.R.T, Hot Pluggable
Advanced Feature Support TRIM, Multi-namespace, EUI64/NGUID, Firmware Upgrade without Reset, Variable Sector Size& NVMe End-to-End Data Protection (DIF/DIX), Sanitize, 128K Write Atomicity Normal,  Telemetry, Advanced Device Self-Test, NVMe-MI over SMBus/PCIe VDM, OCP2.6 SMART Compliance
Software Support Open-source management tool, CLI debug tool, OS in-box driver (Easy system integration)

 

Notes:

[1].Performance may vary due to different system configurations and firmware version.

[2].DWPD, Drive Writes per Day for 5 years.

 

 

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