Next-gen enterprise controller with enterprise PCIe 5.0 high-speed interface
Up to 14,900 MB/s sequential read/write and 3,500K IOPS random read/write
Full ecosystem compatibility, rapidly enabling infrastructure upgrades
Adaptable to multiple scenarios including AI, databases, HPC, cloud computing and big data
Next-gen enterprise PCIe 5.0 high-speed interface
Full performance upgrade over previous PCIe 4.0 interface①
2x improvement in sequential and random read/write performance, 43% improvement in QD1 latency
① Actual test data from Union Memory lab, comparing with UH811a (7.68TB)
Stronger IO capabilities for highly random read/write and low-latency workloads such as enterprise OLTP databases
Diverse capacity and form factor options for mixed workloads in hyperscale data centers and central/edge cloud storage
Leading SR-IOV for HCI and virtualization needs
Performance tuning for mixed workloads, supporting AI training/inference, OLAP, big data, HPC, BI, and more
Advanced intelligent algorithms for enhanced reliability
Dual-port support across the series
MTBF ≥ 2.5 million hours, AFR ≤ 0.35%, UBER ≤ 1E-18
Low-power design based on the core controller, significantly improving power efficiency over previous generation
Lower system TCO and better energy efficiency at same workloads
| Model | UH812a | UH832a | ||||||
| Capacity | 1.92TB | 3.84TB | 7.68TB | 15.36TB | 1.6TB | 3.2TB | 6.4TB | 12.8TB |
| Sequential read (128KB) | 14000MB/s | 14900MB/s | 14900MB/s | 14900MB/s | 14000MB/s | 14900MB/s | 14900MB/s | 14900MB/s |
| Sequential write (128KB) | 3000MB/s | 6000MB/s | 10500MB/s | 9200MB/s | 3000MB/s | 6000MB/s | 10500MB/s | 9200MB/s |
| Random read IOPS (4KB) | 2000K | 3500K | 3500K | 3300K | 2000K | 3500K | 3500K | 3300K |
| Random write IOPS (4KB) | 230K | 260K | 470K | 520K | 380K | 560K | 1000K | 1000K |
|
Average read/write latency @QD1 |
55/6μs | 55/6μs | 55/6μs | 55/6μs | 55/6μs | 55/6μs | 55/6μs | 55/6μs |
| Total bytes written | 3.50PB | 7.01PB | 14.02PB | 28.03PB | 8.76PB | 17.52PB | 35.04PB | 70.08PB |
| Weight U.2/E3.S ±10g | 148/110g | 148/110g | 148/110g | 158/120g | 148/110g | 148/110g | 148/110g | 158/120g |
| Power consumption |
Idle power consumption ≤ 5W, sequential read maximum operating power consumption ≤ 18W, peak power consumption of the entire drive ≤ 24W |
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| Durability level (4K random) | 1DWPD | 3DWPD | ||||||
| Form factor | U.2/E3.S 1T | |||||||
| Flash memory medium | YMTC X3 eTLC | |||||||
| Basic Functions | ||||||||
| Bytes per sector | Support 512/512+8/4096/4096+8/4096+64 sectors | |||||||
| Product features |
Power loss protection/Pre-read/Intelligent multi-stream/NVMe 2.0/Atomic write/Multiple-level power consumptions/SRIOV with QoS/MI 1.2b |
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| Product upgrade | Support rapid online upgrading via NVMe commands | |||||||
| Reliability | ||||||||
| UBER | 1E-18 | |||||||
| MTBF | 2.5 million hours | |||||||
| AFR | 0.35% | |||||||
| Data retention (power off) | Data can be retained for 3 months after the Endurance reaches 100% in the powered-off state (@40℃) | |||||||
| Warranty period | 5 years (not exceeding the total bytes written) | |||||||
| Standard | ||||||||
| Interface protocol | PCIe Gen5 single-port, dual-port, NVMe 2.0 | |||||||
| TRIM | Yes | |||||||
| Environmental Parameters | ||||||||
| Storage temperature | -40℃ to +85℃ | |||||||
| Operating temperature | 0℃ to 83℃ | |||||||
| Humidity | 5% to 95% relative humidity, non-condensing | |||||||
| Altitude | Operating: -305m to 5,486m; Non-operating: -305m to 12,192m | |||||||
| Vibration | Operating: Up to 2.17 GHz (5–700 Hz); Storage: Up to 3.13 GHz (5–800 Hz) | |||||||
| Shock | 1000 G, with a duration of 0.5 ms | |||||||
| Power supply | DC 12V, ±10% | |||||||
| Appearance | ||||||||
| Dimensions | U.2: Standard 2.5-inch hard drive, thickness 15mm, E3.S 1T: Thickness 7.5mm | |||||||
Address: 19th Floor, Block B, Ramaxel Houhai Center, Nanshan District, Shenzhen
Tel: +86 755-2681 3300
E-mail: support@unionmem.com
