KIOXIA TOSHIBA · EMMC · Family alias
THGBM 4GB family
Kioxia/Toshiba THGBM managed NAND family capacity class. Exact suffix is package/temperature dependent.
Identity & specification
| Part number | THGBM 4GB family |
|---|---|
| Manufacturer | KIOXIA TOSHIBA |
| Record type | Family alias |
| Top marking | THGBM0004G7LBAIR |
| Aliases | THGBM0004G7LBAIR |
| Storage type | EMMC |
| Capacity | 4 GB |
| RAM | Not established |
| Protocol | eMMC 5.1 |
| Package | BGA family |
| Ball count | Not established |
| Pinout family | Not established |
| Voltage notes | Not established |
| Observed in devices | Not established |
Evidence
Official vendor
Source: Kioxia product briefs + field lists
Verification status: official_family_plus_field_pattern
Source score 0.66 — dataset metadata, not a probability of fitment.
Screening data incomplete
- ✗ Exact identity from a strong source
- ✓ Capacity
- ✓ Protocol version
- ✗ Ball count
- ✓ No open conflict
Verify CID/CSD/EXT_CSD and SEC_COUNT before eMMC/eMCP replacement.
A matching part number or package does not prove donor compatibility. Before replacement confirm the ball map, VCC/VCCQ, protocol generation, capacity geometry, DRAM training (MCP), CID/EXT_CSD or UFS descriptors, RPMB and OEM provisioning.