PCIe Gen4 Enterprise NVMe SSD
J770
CORE 7 mainstream Gen4 3 DWPD mixed/write-intensive enterprise SSD, 1.6–12.8 TB with high-endurance eTLC and over-provisioning, for databases, logging and mixed-workload virtualization.
3D eTLC1.6–12.8TBU.2/U.3 · Gen4 x43 DWPD · Mixed / Write-Intensive
Applications:Database / OLTPLogs / MetadataVirtualization
Specifications
| Positioning | CORE 7 mainstream Gen4 3 DWPD mixed-use |
|---|---|
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe 1.4+ |
| Form Factor | U.2 / U.3, 2.5-inch 15mm |
| Port Mode | Single-Port |
| NAND / Media | 3D Enterprise eTLC |
| Target Workload | Mixed / Write-Intensive |
| Capacity | 1.6 / 3.2 / 6.4 / 12.8 TB |
| Drive Writes Per Day | 3 DWPD |
| Sequential Read (MAX) | 7,400 MB/s |
| Sequential Write (MAX) | 5,500 MB/s |
| 4K Random Read IOPS | 1.5M IOPS |
| 4K Random Write IOPS | 600K IOPS |
| Random Read/Write Latency (target) | 65 / 10 μs |
| Power (Typ / Max / Idle) | 18 / 22 / 6 W |
| MTBF | ≥ 2,000,000 hours |
| UBER | ≤ 1 sector per 10^18 bits read |
| Certifications (planned) | CE / FCC / RoHS / REACH (planned) |
| Warranty | 5-year limited warranty |
| Product Phase | Product Definition / EVT |
| Target Milestone | 2026 Q4–2027 Q1 |
| Internal Platform / Controller | JH-E4U-C · External Gen4 enterprise controller + JH firmware (roadmap: JHC400) |
*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