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PCIe™ 4.0 NVMe™ Enterprise SSD

YMTC PE321(Discontinued)
The PE321 is YMTC’s new PCIe Gen4 x4 NVMe enterprise SSD, built with Xtacking® 2.0 3D NAND Technology. Featuring a U.2 interface, it is fully compatible with the NVMe 1.4 protocol, delivering outstanding performance, power efficiency, low latency, and high reliability. Tailored for diverse workloads and application scenarios, it is available in read-intensive and mixed-use capacity options, making it ideal for core enterprise storage such as high-performance computing, AI, big data, CDN, and more, serving industries such as IT, telecommunications, internet services, finance, and smart manufacturing.

Storage Capacity

1.6/1.92TB
3.2/3.84TB
6.4/7.68TB
Product Details

Key Features


Higher Performance

The PE321 enterprise SSD delivers outstanding performance, achieving sequential read/write speeds of up to 7400MB/s and 7000MB/s, respectively, along with random IOPS of 1750K/640K. These industry-leading specifications enable seamless and efficient operations in servers, data centers, and other demanding applications. 


Optimized Power Efficiency

With a maximum operating power consumption under 19W and less than 6.5W in standby mode, the PE321 enterprise SSD achieves an outstanding IOPS/W ratio that  significantly reduces total cost of ownership (TCO).


Ultra-Low Latency

The PE321 enterprise SSD leverages a high-performance architecture, delivering 4K random read/write latency that outperforms industry averages, accelerates response times and enhances operational efficiency.


Flexible Choices for Multiple Workload

The PE321 enterprise SSD offers a wide range of capacities to meet diverse storage workloads and application needs:

 • Read-intensive: 1.92TB, 3.84TB, 7.68TB

 • Mixed-use: 1.6TB, 3.2TB, 6.4TB


Unmatched Durability

Built on YMTC’s Xtacking® 3D NAND technology, the PE321 enterprise SSD delivers 3 DWPD for capacities of 1.6TB, 3.2TB, and 6.4TB, ensuring secure and reliable user experience.


Xtacking® Technology

The PE321 enterprise SSD incorporates YMTC X2-9060 eNAND based on Xtacking®2.0 technology. This offers superior durability high-speed performance that ensures seamless 24/7 operation for enterprise servers and data centers.


Technical Specifications
ProductYMTC PE321 SSD           
Form Factor2.5”           
Interface  PCIe™ 4.0 NVMe™ 1.4           

Performance

Capacity
           

1.6TB/1.92TB

3.2TB/3.84TB

6.4TB/7.68TB

Sequential Read (MB/s)

7,400/7,400

7,400/7,400

7,400/7,400

Sequential Write (MB/s)                

2,600/2,600

5,200/5,200

7,000/7,000

Random Read 4K (K IOPS)

820/820

1,460/1,460

1,750/1,750

Random Write 4K (K IOPS)

280/130
550/280
640/340

Power

Consumption
               

Non-operating(W)<6<6.5<6.5
Operating(W)<11.5<15<19

Reliability  

UBER
<1E-17
           
MTBF(H)
2 Million
DWPD
3/1  

Physical
               

Characteristics
               

Size

15.00mm x 69.85mm × 100.20mm

Weight

120± 10g

Operating Vibration

2.17 GRMS, 5-700Hz

Non-operating Vibration

3.1 GRMS, 5-800Hz

Shock
1,500 G Peak / 0.5msec

Environment
               

Operating Temperature0°C ~ 70°C

Function

Multi-Namespace, PLP, Thermal Throttle, TRIM, SMART, Flexible Power Management, E2E

Authentication

PCIe-SIG, RoHS(China), BSMI, WEEE, RoHS(EU) CE, FCC, Halogen Free, UL, REACH









Note:

Notes:

1.All data in this document are based on YMTC’s in-house test;

2.The performance is subject to differences caused by various test set-ups and firmware versions;

3.The tests are conducted in stable operations of the device in accordance with the SNIA SSS-PTS-E standards;

4. 1 MB = 1000 KB, 1 GB = 1000 MB, 1 TB = 1000 GB. Total accessible capacity on storage devices may also vary depending on operating environment;

5. YMTC reserves the right to adjust the above test specifications, and test environment, and update the relevant test results according to the changes in industry development..

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