HPE P40572-B21 - HPE 6.4TB NVMe Gen4 High Performance Mixed Use SFF BC U.3 PM1735 SSD

Brand: HPE | Category: Enterprise SSDs

SKU: HPE-P40572-B21 | Part #: P40572-B21 | MPN: P40572-B21

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The HPE P40572-B21 is a 6.4TB enterprise NVMe SSD purpose-built for mixed workloads in data centres and AI infrastructure where write endurance matters as much as speed. This U.3 form factor drive carries an endurance rating that makes it suitable for sustained write operations typical in analytics, database acceleration, and machine learning training pipelines—a critical consideration for storage architects evaluating cost-per-workload rather than cost-per-gigabyte alone. HPE's PM1735 controller behind this part number delivers sequential throughput up to 6,800 MB/s for reads and 4,000 MB/s for writes, paired with random IOPS that push toward 1.5 million operations per second on reads, making the P40572-B21 one of the more capable options in HPE's mid-tier NVMe portfolio.

What distinguishes the P40572-B21 from consumer or entry-level enterprise drives is the combination of Samsung TLC V-NAND technology, capacitor-backed power loss protection, and end-to-end data protection mechanisms built into the firmware. These features exist because the engineers at HPE understand that a fast drive is worthless if a power event corrupts your metadata or leaves a database transaction half-written. The drive speaks NVMe 1.4 protocol and maintains backward compatibility with both PCIe Gen4 x4 and Gen3 x4 slots, a pragmatic design choice that lets you deploy this drive in second-generation ProLiant systems without forcing a wholesale hardware refresh. For sysadmins and storage architects managing mixed workloads across ProLiant Gen10 Plus and Gen11 servers, this flexibility reduces qualification testing and simplifies inventory management across multiple hardware generations.

HPE's basic carrier (BC) configuration on the P40572-B21 means you get the drive itself without the fancy thermal management add-ons or bracket assemblies that push cost higher on premium variants. In a typical 2U or 4U server chassis with proper airflow, the SFF 2.5-inch form factor runs cool enough without additional heatsinks, and the U.3 connector itself is now standard across HPE's newer systems and is gaining adoption in OEM platforms outside the ProLiant family. Storage architects evaluating this part number often compare it against the workload profile: if you're running OLTP databases with high write rates, machine learning model training with sustained I/O, or real-time analytics pipelines, the endurance budget and IOPS ceiling matter more than absolute sequential speed. The P40572-B21 sits in that practical middle ground where the price-to-performance ratio justifies the 6.4TB capacity without requiring the highest-tier performance tier for every deployment.

Deployment scenarios for this drive span enterprise data centres running HPE Synergy composable infrastructure, edge analytics nodes requiring fast local NVMe tier, and AI labs where GPU-accelerated workloads demand responsive storage. Network engineers and AI infrastructure teams often specify this drive as the primary storage tier in tiered architectures, sitting between DRAM caches and bulk HDD storage or NAS tiers. The part number P40572-B21 appears in HPE QuickSpecs validation documents, meaning you can reference it directly in RFQs and hardware proposals without additional qualification burden. The drive's mixed-use classification signals that HPE tested it across both read-heavy and write-heavy workloads before certifying it, reducing the risk of performance surprises in production environments where your workload mix changes seasonally.

At Omnixon Global, we stock the HPE P40572-B21 as part of our core enterprise SSD portfolio, serving data centre teams, systems integrators, and cloud operators across the GCC, South Asia, and European markets. We understand the qualifications, compatibility matrices, and lead times that surround NVMe procurement at scale, and we're positioned to support multi-unit orders alongside single-drive replacements. If you're evaluating this drive for a new data centre project, a storage expansion, or a technology refresh, we invite you to submit an RFQ and speak directly with our technical sales team in Dubai.

Performance Specifications and Endurance Profile

• Sequential read throughput up to 6,800 MB/s and sequential write throughput up to 4,000 MB/s over NVMe PCIe Gen4 x4
• Random read performance reaching 1,500,000 IOPS and random write performance at 200,000 IOPS (4K block size)
• Samsung TLC V-NAND technology with capacitor-backed power loss protection and end-to-end data path protection
• U.3 connector (SFF-TA-1001) in small form factor 2.5-inch package with basic carrier configuration
• NVMe 1.4 protocol support with backward compatibility to PCIe Gen3 x4 interfaces
• HPE QuickSpecs validated for ProLiant Gen10 Plus, Gen11, and HPE Synergy platforms
• Mixed-use workload classification supporting transactional, analytical, and moderate-write enterprise applications