PCIe Gen4 Enterprise NVMe SSD

J781

TITAN 7 high-capacity Gen4 3 DWPD enterprise SSD with 25.6 TB-class high-density TLC, for high-capacity databases, logging and write-intensive storage pools, gated by media endurance, WAF and steady-state performance.

HD TLC1.6–25.6TBU.2/U.3 · Gen4 x43 DWPD · Mixed / Write-Intensive
J781 — PCIe Gen4 Enterprise NVMe SSD
Applications:Database / OLTPLogs / MetadataDistributed Storage / Ceph

Specifications

PositioningTITAN 7 high-capacity Gen4 3 DWPD
InterfacePCIe 4.0 x4
ProtocolNVMe 1.4+
Form FactorU.2 / U.3, 2.5-inch 15mm
Port ModeSingle-Port
NAND / MediaHigh-Density Enterprise TLC
Target WorkloadMixed / Write-Intensive
Capacity1.6 / 3.2 / 6.4 / 12.8 / 25.6 TB
Drive Writes Per Day3 DWPD
Sequential Read (MAX)7,400 MB/s
Sequential Write (MAX)7,000 MB/s
4K Random Read IOPS1.75M IOPS
4K Random Write IOPS850K IOPS
Random Read/Write Latency (target)60 / 9 μs
Power (Typ / Max / Idle)20 / 25 / 6.5 W
MTBF≥ 2,000,000 hours
UBER≤ 1 sector per 10^18 bits read
Certifications (planned)CE / FCC / RoHS / REACH (planned)
Warranty5-year limited warranty
Product PhaseNPI Planning
Target Milestone2027 H1
Internal Platform / ControllerJH-E4U-HC · 16-channel Gen4 controller + JH high-capacity FTL (roadmap: JHC416)

*1 Read/write values may vary slightly by capacity and test platform. *2 Customization available for specific applications.

Special Functions

Power Loss ProtectionSupported
End-to-End Data ProtectionSupported
T10 DIF/DIXSupported
Dual-Port HANot supported
OCP Datacenter NVMeNot supported
Flexible Data Placement (FDP)Not supported
TCG Opal EncryptionSupported
DRAM CacheSupported

Product Features

Power-loss protection (PLP) · end-to-end data protection · T10 DIF/DIX integrity
TCG Opal encryption · Secure Boot · Sanitize secure erase · namespace management
SMART / telemetry · online firmware update & rollback · hot-swap
Frozen model names; capacity/NAND/controller/firmware changes managed via SKU, PN, revision and ECN
5-year limited warranty; production units released after EVT/DVT/PVT with locked PN/BOM/FW

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