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D7436/D7456

The D7436/ D7456 NVMe SSD is DERA's High performance enterprise product line. These products utilize a Gen4 PCIe interface and are compatible with NVMe 2.0. Advanced 128-layer 3D TLC NAND is applied to provide high throughput and IOPS, very low latency, and consistent quality of service. The D7436/ D7456 product line has an efficient firmware architecture which to optimize drive performance and endurance and is available in high capacities up to 7.68TB. The intensive LDPC units and end- to-end data path protection improve the product reliability. It features thermal monitoring and protection, SMBus for out-of-band management.

The DERA D7436/ D7456 NVMe SSD is compatible with mainstream OS and virtualization system. The performance meets the requirements of database and virtualization application. The DERA D7436/ D7456 NVMe SSD tries to keep a balance between performance and cost, to help customers to reduce TCO.

The DERA D7436/ D7456 NVMe SSD has two endurance classes: D7436 (1.92TB, 3.84TB, 7.68TB) is 1 drive writes per day (DWPD) @5years; D7456 (1.6TB, 3.2TB, 6.4TB) is 3 DWPD @5years.

Functional Features

    • NVMe 2.0 compliant

    • Support U.2 Form Factor

    • Data integrity of enterprise class

    • 1.6TB- 7.68TB capacity options

    • Up to 7.1/ 4.8 GB/s Seq.R/ W Bandwidth, Up to 1600K/ 520K Rand.R/ W IOPS

    • YMTC 128-layer 3D TLC NAND

    • Native driver support of mainstream operating systems and hypervisors

    • Support hot-pluggable

    • Power Loss Data Protection

    • Support NVMe-MI Management interface

    • Telemetry Log Collection

    • Firmware Online Update (MCTP)

    • UEFI/ Legacy BIOS Bootable

    • AES256 and SM2/ 3/ 4 Supported

Product Features
Software-hardware Co-designed
Data Integrity
High Performance
The 3rd Generation ASIC controller of DERA D7436/ 7456 NVMe SSD is developed by DERA with software-hardware co-designed methodology, achieved enterprise-class data integrity, many built-in hardware acceleration units, sophisticated NAND flash management, and performance aggregation in a power-efficient way. Architected with advanced YMTC 128-layer 3D TLC NAND, D7436/ D7456 deliver reliable and high performance NVMe storage solution. D7436/ D7456 offer endurance and capacity options of 1.92TB, 3.84TB, 7.68TB at 1 DWPD (5yrs), and 1.6TB, 3.2TB, 6.4TB at 3 DWPD (5yrs).
DERA D7436/ D7456 NVMe SSD realized intense hardware LDPC units, end-to-end protection on the whole data paths against silent errors, adaptive redundancy protection among independent NAND units, and protection against unexpected power-losses, AES256 and SM2/ 3/ 4 Supported, which are forged into an integrated protection for user data. In addition, D7436/ D7456 NVMe SSD constantly sense drive’s healthy and react in time accordingly, which is available for host management software to perceive and handle potential drive failure.
DERA D7436/ D7456 NVMe SSD achieved high performance with low latency. Sustained random write IOPS up to 520K, random read/ write latency low to 75/ 13us. Optimized FTL algorithm sufficiently anticipate the extreme conditions of highly-intense workloads and workload variations with sophisticated scheduling and controls over front-end I/O demands and FTL backend activities, ensuring a stable performance in all cases. D7436/ D7456 NVMe SSD deliver a performance consistency above 90% in significantly heavy random I/O workloads.
Application and Load

  • Database

  • Cloud Computing

  • Streaming, CDN

  • Big Data Analytics

  • AI/ ML/ DL Training

  • Software Defined Storage

  • Banking & Telecom

Product Parameters
Product SeriesD7436D7456
Capacity (TB)1.92TB，3.84TB，7.68TB1.6TB，3.2TB，6.4TB
Form FactorU.2/ U.3
Host InterfacePCIe 4.0 x 4
NVMe ComplianceNVMe 2.0
NANDYMTC 3D TLC NAND
Seq. Read/ Write [1]Up to 7100/ 4800 MB/sUp to 7100/ 4800 MB/s
Ran. Read/ Write IOPS [2]Up to 1600K/ 270KUp to 1600K/ 520K
Ran. R/ W Latency (μs) [3]75/ 13
Power [4]Max18.5W
Idle6W
DWPD（5 years）1 DWPD3 DWPD
Reliability< 10-17
Temperature0-70℃
FeaturesOn-line Firmware update, Weight Round Robin, NVMe-Ml over MCTP, Telemetry Standard Interface, AES256 & SM2/3/4, E2E Data Protection, TRIM, Variable Sector Size


[1] 100%LBA, OIO64 (TC=1, QD=64).

[2] 100%LBA, measured with OIO256 (TC=4, QD=64).

[3] 100%LBA, OIO1 (TC=1, QD=1).

[4] 100%LBA, Sequential R/W power consumption is measured with 128KB, OIO64(TC=1，QD=64) which is lower than Random operation. Random R/W measured with 4KB, OIO256 (TC=4, QD=64). Scope trigger over 100ms sample period.

*Performances measured by FIO tool on linux, result may differ according to testing platform.1MB/s = 1,000,000 bytes/ second.

Model List
Product SeriesCapacity（TB）Part NumberForm Factor
D74361.92DERAP44YGR01T9USU.2 (2.5" 15mm)
3.84
DERAP44YGR03T8USU.2 (2.5" 15mm)
7.68DERAP44YGR07T6USU.2 (2.5" 15mm)
D7456
1.6DERAP44YGM01T6USU.2 (2.5" 15mm)
3.2DERAP44YGM03T2USU.2 (2.5" 15mm)
6.4DERAP44YGM06T4USU.2 (2.5" 15mm)


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