Specifications
MPN
UH832a
Brand
Union Memory (UMIS)
Interface
PCIe 5.0 x4, NVMe
Generation
Latest Union Memory ESSD generation
Pairing
Launched alongside UH812a as the PCIe 5.0 enterprise pair
Performance Class
14,900 / 10,500 MB/s and 3,500K / 520K IOPS class (same generation)
Endurance
High-durability enterprise profile for write-intensive tiers
Data Integrity
Hardware-software synergy for end-to-end data protection
Workloads
Large-model training pipeline, parameter iteration, fine-tuning, real-time inference
Segment
Data-centre / enterprise SSD
Reliability Focus
Stable sustained performance rather than peak-only ratings
Supply Note
Dual-source pairing with UH812a for mixed read/write tiering
Vendor Base
Shenzhen UnionMemory (Ramaxel group), founded 2017
Overview
The UH832a is the companion drive to the UH812a in Union Memory's PCIe 5.0 enterprise line. Both were launched together as the company's Gen5 ESSD answer to the storage demands of the full training pipeline — data pre-processing, frequent parameter iteration, fine-tuning and inference.
Union Memory positions the pair on the balance between hard metrics (bandwidth, IOPS, endurance) and soft ones (stability, compatibility, service), which is why the drives are commonly deployed as a second source alongside tier-1 enterprise SSD SKUs rather than as a like-for-like replacement.
Key Benefits
PCIe 5.0 Gen5 bandwidth · Enterprise durability for write-heavy tiers · Second-source pairing with UH812a · End-to-end data integrity design · AI training pipeline workload tuning
Applications
AI/ML training and fine-tuning storage, cloud data-centre mixed workload, big data and data warehouse tiers, virtualisation hosts, real-time inference caches
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