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PCIe™ 5.0 NVMe™ Enterprise SSD

YMTC PE501
The PE501 is YMTC’s first ultra-high-capacity PCIe™ 5.0 QLC enterprise SSD. Powered by cutting-edge X4-6080 3D NAND based on Xtacking®4.0 technology, it scales capacity to 122.88TB per drive. By delivering a breakthrough balance of density, energy efficiency, and performance, the PE501 maximizes storage footprint and GPU utilization while significantly lowering TCO—making it the premier storage solution for high-performance AI server clusters.

Storage Capacity

30.72TB
61.44TB
122.88TB
Product Details

Ultra-High Density: Scaling AI Infrastructure 

The PE501 delivers a monumental 122.88TB capacity, enabling a staggering 3PB per 2U chassis. By slashing the physical footprint by 90% and PCIe lane usage by 75%, it outpaces TLC SSDs by 4x and HDDs by 9x in storage density.


Elite Performance: Eliminating GPU Starvation

The PE501 delivers sequential read of 14,200 MB/s, 4K random read performance of 3,350K IOPS, and ultra-low read latency of 90μs—empowering infrastructures to effortlessly handle massive data torrents and high-concurrency AI workloads while maximizing compute utilization.


Proven Endurance: Streamlining Operations 

The PE501 incorporates X4-6080 3D NAND with an endurance rating of 5,000 P/E cycles, meeting rigorous industry standards for component quality. Building upon this premium hardware foundation, the PE501 achieves a sustained 0.6 DWPD, translating to 2x the lifespan of mainstream QLC solutions and 30x that of HDDs. This significantly reduces replacement frequency and operational strain, ensuring the stability of mission-critical AI initiatives.


Superior Efficiency: Driving Green Computing

The PE501 sets a new benchmark for Performance-per-Watt, with read efficiency at 700 MB/s/W and write efficiency at 167 MB/s/W—outperforming HDDs by 19x and 4x, respectively. We significantly slash power-per-unit-of-compute to drive energy savings, boost your enterprise edge, and fulfill the commitment to a sustainable green economy.


Ironclad Reliability: Safeguarding Data Continuity

Delivering TLC-grade reliability, the PE501 features a 2.5 million-hour MTBF and an UBER of 10⁻¹⁸, with a 3-month data retention capability at end-of-life (DR@EOL, 40°C). With integrated Secure Boot and Firmware Integrity Verification, it guarantees uncompromised data integrity across AI training, inference, CDN, and OSS—providing a rock-solid foundation for the most vital enterprise data assets.


Technical Specifications
Form FactorU.2 15mm 
Interface & ProtocolPCIe™ Gen5 x4, NVMe™ 2.0
Capacity30.72TB61.44TB122.88TB
PerformanceSequential Read up to (MB/s)14,20014,20013,800
Sequential Write up to (MB/s)4,0004,0004,000
Random Read up to (IOPS)(K)3,3503,3502,850
Random Write up to (IOPS)(K)50(16K)50(16K)50(16K)
4K Random Read Latency (μs)90
4K Random Write Latency (μs)8
PowerIdle(W)≤6
Active (W)<24<25<25
ReliabilityUBER<1E-18
MTBF(H)2.5 Million

DWPD(RW workload)

0.60.60.64
DR@EOL(power off)3 Months @ 40℃
Physical CharacteristicsDimensions

15.00mm x 69.85mm x 100.20mm

Vibration Rating

2.17 GRMS, 5-700Hz(Operation); 3.1 GRMS, 5-800Hz(Non-operation)

Shock Rating1,000G@0.5ms
EnvironmentOperating Temperatures0°C to 70°C
FeaturesPLP, Hot Plug, Thermal Throttle, TRIM, SMART, Power Management, E2EDP, DST, Sanitize, Telemetry
CertificationsPCIe-SIG, NVME-Express, RoHS(China, EU), CE, FCC, UL






Note:

The above performance is verified with YMTC’s internal test platform. Actual results may vary among different host devices and testing conditions. 1MB = 1000KB, 1GB = 1000MB, 1TB = 1000GB. Total accessible capacity on storage devices may also vary depending on operating environment.

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