
K4B2G1646Q-BCMA – DDR3 SDRAM – Samsung
The Samsung K4B2G1646Q-BCMA is a 2Gb DDR3 SDRAM (Q-die) organized as 128M x16, rated for DDR3-1866 (13-13-13) operation in a 96-ball FBGA package. Available now for RFQ from Pacific Component Xchange.
The Samsung K4B2G1646Q-BCMA is a 2-gigabit DDR3 SDRAM from Samsung’s Q-die family, organized as 128M x16 (16Mbit x 16 I/Os x 8 banks). The “-BCMA” order code designates a DDR3-1866 (13-13-13) speed grade in a 96-ball FBGA package with commercial/normal operating temperature and normal power. It is a popular x16 device used in graphics cards, game consoles, embedded systems, and a wide range of board-level memory designs.
Key Features
- Component type: DDR3 SDRAM (Samsung Q-die)
- Density: 2Gb (2 gigabit)
- Organization: 128M x16 (16Mbit x 16 I/Os x 8 banks), x16 only
- Speed grade: DDR3-1866 (13-13-13), up to 1866 Mb/s/pin; backward compatible to DDR3-1600 (11-11-11) and DDR3-1333 (9-9-9)
- Banks: 8 banks; 8-bit prefetch architecture
- Supply voltage: VDD = VDDQ = 1.5V +/- 0.075V (JEDEC standard)
- Package: 96-ball FBGA (x16), lead-free and halogen-free (RoHS compliant)
- Operating temperature: Commercial / Normal, 0 C to 95 C case temperature (TOPER)
- Programmable CAS Write Latency (CWL): 9 at DDR3-1866; bi-directional differential data strobe (DQS/DQS)
Applications
- Graphics cards and GPU memory subsystems
- Game consoles and gaming hardware
- Networking, telecom, and embedded computing boards
- Industrial controllers and single-board computers
- Consumer electronics and set-top boxes
- Legacy DDR3 board repair and maintenance builds
Why Source K4B2G1646Q-BCMA from Pacific Component Xchange
The K4B2G1646Q-BCMA is a mature DDR3 device with little to no authorized-distributor availability, making it a challenge for engineers and procurement teams supporting existing designs. Pacific Component Xchange is an independent distributor specializing in hard-to-find, end-of-life, and obsolete memory. We maintain inventory of scarce devices like this Samsung 2Gb DDR3 part and support customers worldwide with reliable sourcing.
Every order is backed by our commitment to authenticity and quality, with inspection and traceability processes designed to protect you against counterfeit and substandard components. We ship globally and can support both small prototype quantities and volume production requirements.
Ready to buy? Request a quote (RFQ) today and our team will respond quickly with pricing and lead time for the K4B2G1646Q-BCMA. Whether you need a handful of units for a repair or thousands for a build, Pacific Component Xchange helps you keep your DDR3 designs in production.
Additional Information
| Manufacturer | Samsung |
|---|---|
| Component Type | DDR3 SDRAM (Q-die) |
| Density | 2Gb |
| Organization | 128M x16 (8 banks) |
| Package | 96-ball FBGA (x16) |
| Speed/Grade | DDR3-1866 (13-13-13), up to 1866 Mb/s/pin |
| Supply Voltage | 1.5V +/- 0.075V (VDD/VDDQ) |
| Temp Range | Commercial/Normal, 0 C to 95 C (TOPER) |
| Part Status | NRND / Hard-to-find |
| Availability | Available |


