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.
Designed to set a new benchmark for enterprise PCIe 5.0 SSDs, the 7A40 delivers up to 14.2GB/s sequential read and 12GB/s sequential write throughput, while its random performance reaches 3.4M IOPS for 4K read and 1.25M IOPS for 4K write. This combination sustains peak compute efficiency, keeping AI training and inference pipelines fully fed and running smoothly.
By fully leveraging hardware capabilities and advanced firmware optimizations, the PBlaze7 7A40 achieves 4K random read and write latencies of 50μs and 5μs, with sequential read latency further reduced to 6μs. These ultra-low latencies accelerate data access and responsiveness, ensuring consistent performance for even the most latency-sensitive AI workloads.
As data volumes continue to grow rapidly, high-capacity storage has become essential. The PBlaze7 7A40 delivers up to 30.72TB per drive without compromising performance, enabling efficient handling of massive datasets and large-scale context processing. Its superior performance-per-watt allows enterprises to consolidate storage infrastructure while significantly reducing total data center TCO.
The PBlaze7 7A40 Series is available in both 1 DWPD and 3 DWPD variants, providing flexible options for read-intensive and mixed-use workloads. Fully compliant with NVMe 2.1, it integrates enterprise-grade features including NVMe-MI over SMBus/PCIe VDM, Full Data Path Protection, Sanitize and Firmware Upgrade without Reset, simplifying large-scale deployment and lifecycle management while ensuring reliable protection for critical data.
| 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.