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Union Memory UH810a PCIe Gen4 SSD

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Union Memory UH810a PCIe Gen4 SSD

by ITECHNEWS
June 27, 2022
in Data Storage, Leading Stories
0 0
0
Union Memory UH810a PCIe Gen4 SSD

The Union Memory UH810a is a PCIe Gen4 SSD designed for highly available system designs. Supporting the NVMe 1.4 interface with 3D TLC NAND, the UH810a features a range of enterprise-grade protection and reliability features, such as flash-aware RAID, end-to-end data path protection, advanced ECC, secure erase, power-loss protection. It is also powered by a 12nm in-house controller.

Union Memory UH810a front

Union Memory UH810a

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This is the first time our StorageReview Labs have seen a product from the Chinese-based company, Union Memory, so we are eager to analyze how it compares to the more well-known and established brands like Intel, Samsung and Memblaze.

The UH810 uses the standard 2.5-inch form factor (SFF-8639 connector) and is designed for scenarios with intensive-read workloads. Union Memory also offers the UH830 series, which is meant for those who have more mixed read/write use cases.

Union Memory UH810a connector

Here’s a quick rundown of the two series with their endurance ratings:

Series DWPD Capacity Model Series DWPD Capacity Model
 

UH810a

 

1DWPD

1.92TB RP2A01T9RK004LX  

UH830a

 

3DWPD

1.6TB RP2A01T6RK004VX
3.84TB RP2A03T8RK004LX 3.2TB RP2A03T2RK004VX
7.68TB RP2A07T6RK004LX 6.4TB RP2A06T4RK004VX

Performance-wise, the UH810a is quoted to deliver sequential reads up to 7,000MB/s for all capacities, while writes are expected to hit up to 3,800MB/s for the 7.68TB model. Random 4K reads and writes can reach up to 160,000 IOPS and 150,000 IOPS, respectively. It also features an MTBF of 2 million hours and has a power consumption of 8.5W (idle) and 21W (active) across all models.

Union Memory UH810a hero view

Another interesting feature of the UH810a is its support for online activation of firmware upgrades, which Union Memory indicates only takes 1 second. This means you won’t have to engage a power cycle (i.e., turn it off and then back on) to update the drive, which certainly makes maintenance more seamless and downtime minimal.

Backed by a 5-year warranty, the Union Memory UH810a is available in capacities of 1.92TB, 3.84TB and 7.68TB. We will be looking at the 7.68TB for this review.

Union Memory UH810a Specifications

UH 810a UH 830a (for comparison)
Capacity 1.92TB 3.84TB 7.68TB 1.6TB 3.2TB 6.4TB
Form Factor U.2
NAND Flash 3D TLC
Sector Size Support 512/512+8/4096/4096+8 sectors
Power Loss protection Supported
Product Upgrade Supported Through NVMe Commands
Performance
Sequential Read (128KB, QD32) 7,000MB/s 7,000MBps 7,000MB/s 7,000MB/s 7,000MB/s 7,000MB/s
Sequential Write (128KB, QD32) 2,500MB/s 3,800MB/s 3,800MB/s 2,700MB/s 4,200MB/s 4,200MB/s
Random ReadIOPS (4KB, QD128) 1,300K 1,600K 1,600K 1500K 1660K 1660K
Random WriteOPS(4KB,QD128) 100K 150K 150K 300K 300K 300K
Reliability
UBER e10-17
MTBF 2 million hours
AFR 0.44%
Data Retention (Power off) 40℃, >3 months
Endurance (4K random) DWPD: ~1 DWPD: ~1 DWPD: ~1 DWPD: ~3 DWPD: ~3 DWPD:~3
Service time 5 years (Not exceed the TBW)
Protocol
Bus Interface PCIe 4.0
NVMe Protocol NVMe 1.4
Port Single
TRIM Supported
Environmental parameters
Storage Temperature – 40℃~85℃
Operating Temperature 0℃~78℃
Humidity 5%~95%R.H (without condensation)
Altitude Operating:-305m-3048m, Non-operating:-305m-12192m
Vibration Operating:2.17GRMS(5~700HZ), Storage: 3.13GRMS(5~800HZ)
Shock Operating:1000G@0.5ms (Half Sine Wave) 

Storage:1000G@0.5ms(Half Sine Wave)

Power Supply DC 12V, +/-10%
Impulse Current (Max.) <3A@1s
Physical Form
Form Factor 2.5 inches, SF-8200: 69.85×100.2×14.7mm
Weight <350g
power consumption
Rated Power (Idle/Active) 8.5/17.5W 8.5/21W 8.5/21W 8.5/17.5W 8.5/21W 8.5/21W
Source: Lyle Smith
Via: StorageReview
Tags: Union Memory UH810a PCIe Gen4 SSD
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