Anyone in the storage recycling business knows that bare NAND die can be quickly sorted by package type (BGA/TSOP) and process node (SLC/MLC/TLC/QLC). But eMMC modules integrate a controller, flash die, and sometimes a PMIC, which multiplies the pricing variables. In practice, at least five factors work simultaneously: controller brand, wafer grade, capacity, temperature specification, and bad block rate. Miss any one, and your quote is off.
Factor 1: Controller & Die Brand. eMMC from Samsung, Kioxia (formerly Toshiba), SK Hynix, Micron, and SanDisk generally trade in the same price band at identical capacity and grade. However, Samsung and Kioxia MLC parts (e.g., eMMC 5.1 spec) carry a 30%-50% premium over equivalent TLC parts due to longer P/E endurance (typically ≥10,000 cycles). Domestic players (Longsys, Biwin) are gaining share, compressing the premium on used OEM die — always verify brand-specific pricing.
Factor 2: Wafer Grade (MLC / TLC / QLC). This is the single largest price driver. MLC stores 2 bits/cell, TLC 3, QLC 4. Current market: 64GB TLC ≈ Reference Price (CNY) 8-15/piece; 128GB MLC ≈ CNY 20-35/piece. Doubling capacity while upgrading grade yields roughly a 3× price spread.
Factor 3: Capacity. Capacity carries the highest weight. At the same brand and grade, a 128GB part commands 2-2.5× the price of a 64GB part. On the floor, sort by capacity first (16/32/64/128/256GB), then sub-sort by grade and temp spec within each pile.
Factor 4: Temperature Specification. Consumer-grade eMMC operates at 0~70°C; industrial grade covers -40~85°C. Industrial and automotive buyers have steady demand, and industrial parts trade at a 50%-100% premium over consumer equivalents. Check the silk-screen for "Ind." marking or the temperature range. Parts with original factory test reports (including -40°C low-temp and 85°C high-temp aging data) command an additional 20%+ premium.
Factor 5: Bad Block Rate. This is the "one-strike downgrade" factor. Run a bad-block scan with an eMMC test fixture. ≤2% = Grade A (full price); 2%-5% = Grade B (10% discount); >5% = Grade C (40%-50% discount), treated as "usable but downgraded." Note: bad block rate is cumulative per module, not per die, so the same model from different production lots can vary significantly.
| Spec Combination | Reference Price (CNY/piece) | Notes |
|---|---|---|
| 64GB TLC Consumer Samsung/SK Hynix | 8 - 15 | Phone pull parts, bad block ≤2% |
| 64GB TLC Industrial -40~85°C | 35 - 50 | Industrial/automotive demand, ~150% premium |
| 64GB MLC Samsung/Kioxia | 12 - 22 | MLC 30%-50% above same-capacity TLC |
| 128GB MLC Samsung/Kioxia | 20 - 35 | Capacity + grade upgrade, widest spread |
| 128GB MLC Industrial + Factory Report | 30 - 50 | With -40°C/85°C aging report, +20% premium |
| Any capacity, bad block >5% | Base × 0.6~0.8 | Downgrade, must be flagged separately |
(Above reflects the September 2026 reference range. Actual pricing follows CFM Flash Market monthly quotes and Huaqiangbei spot index — volatility is significant.)
eMMC pricing tracks the broader NAND Flash cycle: when OEMs (Samsung, Kioxia, Western Digital) cut production, die prices rise and recycling prices follow; the reverse is equally true. Two independent demand pillars support eMMC specifically — the phone repair market's steady need for pull parts (legacy Apple/Huawei models) and the industrial/automotive sector's consistent procurement of industrial-grade eMMC. Meanwhile, domestic substitution (Longsys, Biwin) is steadily compressing the premium on used OEM die. Track CFM Flash Market quotes and the Huaqiangbei eMMC spot index monthly to avoid stale pricing.
MemoryRecycle handles eMMC, NAND die, and server memory recycling with in-house testing, bad-block scanning, and 5-factor-based quotation. For bulk supply or real-time pricing, contact Mr. Wu at 188-2424-1693.