What is the difference between eMCP and uMCP combo memory chips?

eMCP packages eMMC + LPDDR in one BGA, typical of mainstream platforms before 2020 — e.g. Samsung KMDP6001DCA (32GB+3GB) and the SK Hynix H9TP family. uMCP packages UFS + LPDDR4X/5 and is the mainstream choice for today's entry-level phones and IoT devices. For recycling, first identify eMCP vs uMCP from the marking, then grade by the health of both flash and DRAM ends.

Why do combo memory chips price below the sum of a separate eMMC plus a separate DRAM die?

Combo parts have fixed capacity configurations and much smaller demand in phone-repair channels, and they require dual-end testing (flash bad-block scan plus DRAM read-write self-test). If either end fails, the whole chip is scrapped. Dual-good parts therefore trade at roughly 80% of the combined independent eMMC+LPDDR residual value — but their one-board-one-part integration value still commands a 15-30% premium over single-end parts.

How do you test harvested eMCP/uMCP chips before selling them?

Three steps: read the CID with a mass-production tool to confirm model and capacity; run a full bad-block scan on the flash end; run LPDDR read-write self-test on the DRAM end. Parts passing both ends are priced as dual-good with test reports; parts with only one good end are stripped for die-level resale instead of being sold whole at a discount.

eMCP & uMCP Chip Recycling: Phone eMMC+DRAM Combo Memory Buyback Guide — 2026 Prices

One Combo Package, Two Residual Values

Beyond standalone eMMC/UFS and LPDDR/DRAM parts, phone motherboards carry a large class of combo packages — flash and DRAM sealed inside one BGA: the older-generation eMCP (eMMC+LPDDR) and the newer uMCP (UFS+LPDDR4X/LPDDR5). Entry-level phones, feature phones, e-readers, electronic shelf labels and IoT modules are almost entirely built around combo chips, with a single part handling both storage and memory. On the recycling side, however, combo parts are routinely written off as "hard to remove, hard to test, hard to sell" and dumped into scrap material. Combo memory is one of the most undervalued categories in the market: a dual-health harvested uMCP retains 15-30% more residual value than the sum of its equivalent standalone parts — most lots are simply never tested or graded.

Why Combo Pricing Differs from Standalone Dies

A combo chip's residual value has three components: the flash (eMMC/UFS) die value, the DRAM (LPDDR) die value, and the packaging substrate plus test cost. Harvested parts cannot simply be priced as "flash price + DRAM price". First, combo parts ship with fixed capacity configurations, so repair-channel demand is far smaller than for standalone eMMC/LPDDR. Second, the test bar is higher — both ends must be verified (CID check, bad-block scan and capacity self-test on the flash end, plus read-write self-test on the DRAM end), and only a "dual-good" part sells at full chip price. Third, if either end fails the whole chip is scrapped, and older-platform eMCP shows faster flash bad-block growth and LPDDR ageing than new platforms. Take the SK Hynix H9TP family eMCP (32GB+3GB): dual-good harvested parts run about CNY 12-20, while a standalone 32GB eMMC 5.1 good die (Samsung KLMAG1JETD, Micron MTFC32GAKAJCN) fetches about CNY 8-12 — the combo premium is "one board, one footprint" integration value, but only when both ends are healthy.

Combo Memory Recycling Price Reference (2026)

Reference prices for combo memory graded as dual-good / single-end / scrap (Reference Price (CNY), 2026):

Category	Representative models	Reference Price (CNY)
Scrap eMCP/uMCP (reclaim material)	All brands	1-3/pc
eMCP 16GB+2GB LPDDR3, dual-good	Samsung KMDP family, SK Hynix H9TP family	8-15/pc
eMCP 32GB+3GB LPDDR3, dual-good	Samsung KMDP6001DCA, SK Hynix H9TP family	12-20/pc
uMCP 64GB+4GB LPDDR4X, dual-good	Samsung KMQE family, SK Hynix H9TP family	18-35/pc
uMCP 128GB+6GB LPDDR4X, dual-good	Samsung / SK Hynix / Kioxia combos	30-55/pc
Standalone eMMC 5.1 32GB good die	Samsung KLMAG1JETD, Micron MTFC32GAKAJCN	8-12/pc
Standalone LPDDR4X 16Gb good die	Samsung K4UBE3D4AA-MGCL, SK Hynix H9HCNN family	8-14/pc
Flash-only-good or DRAM-only-good	Priced at single-end tier or stripped for dies	Case by case

Note: 2026 reference ranges that move with NAND/DRAM spot prices; lots shipped with mass-production tool test reports typically command a 5-15% premium.

Removal and Testing: The Three Hurdles of Combo Parts

Desoldering: combo BGAs carry 221+ balls and thick molding — rework-station temperature profiles differ from plain eMMC and removal failure rates are higher; test whole boards whenever possible and keep board-level lots flowing first to cut removal losses
Dual-end verification: read the CID with a mass-production tool or test fixture to confirm model and capacity, run a full flash bad-block scan, then run LPDDR read-write self-test — only parts passing both ends qualify for dual-good pricing
Three-tier grading: dual-good parts sell whole into design-house/refurb channels; single-end parts are priced by end, with good LPDDR dies (Samsung K4UBE3D4AA-MGCL, SK Hynix H9HCNN) stripped out for steady die-level demand; dual-fail parts go to reclaim lines

Combo Chips Are Actually "Must-Have" in the eMMC-to-UFS Shift

UFS penetration among new Android phones passed 80% in 2025, yet eMCP/uMCP remains the absolute mainstream in entry-level phones, feature phones, automotive aftermarket and electronic shelf labels, while AI edge devices and shared devices keep pulling low-power combo demand. Meanwhile, as LPDDR5X ramps, the massive installed base of LPDDR4X dies is holding firm on automotive and industrial long-lifecycle demand — harvested uMCP for long-life platforms is one of the few 2026 memory categories where supply is shrinking while demand grows. For recyclers, whether a given lot is tested and graded can double the sale price.

Advice for Recyclers

Build a model library: tabulate combo families (KMDP/KMQE/H9TP/THGBMHG/MTFC) against standalone eMMC (KLMx) and LPDDR (K4UBE/H9HCNN) capacity configurations and marking features
Ship tested lots: attach CID + bad-block + DRAM test reports — design houses and repair channels pay up for lots that pass mass-production tools
Route by tier: dual-good to design-house/refurb channels, single-end to die-stripping channels, scrap to reclaim — never mix tiers
Watch domestic parts: Chinese OSAT houses such as Longsys also ship uMCP; verify new markings and capacities so new domestic parts are not mistaken for old-platform inventory

MemoryRecycle has built a full test-and-sort system for eMCP/uMCP and standalone eMMC/LPDDR dies, covering Samsung, SK Hynix, Micron, Kioxia, SanDisk and YMTC, with dual-good/single-end/scrap tier pricing and mass-production tool test reports delivered with every lot. For phone dismantlers, refurb design houses, board makers and high-volume sellers, we offer free assessment, dual-end testing and top-market buyback — stop selling combo memory as scrap.