Mingjiada (Shenzhen) Electronics Spot Supplier — Genuine, in-stock Samsung K4A8G085WC-BCTD memory chips: DDR4 solutions empowering high-performance computing and embedded applications
In today’s data-driven era, from personal computers to cloud servers, and from industrial automation to edge computing devices, high-speed, stable, and low-power memory chips are the cornerstone of system performance. As a global leader in the semiconductor industry, Samsung’s K4A8G085WC-BCTD is a classic 8Gb DDR4 SDRAM memory chip that, thanks to its outstanding performance specifications and broad compatibility, has become the top choice for many mid-to-high-end electronics manufacturers. Mingjiada Electronics (Shenzhen) Co., Ltd., as a professional spot supplier of electronic components, has long provided customers with various memory chip solutions, including the K4A8G085WC-BCTD.
Product Overview: High-Performance DDR4 Memory Chip
The K4A8G085WC-BCTD is a JEDEC-compliant DDR4 SDRAM (Double Data Rate Synchronous Dynamic Random Access Memory) manufactured by Samsung Semiconductor. Each chip has a capacity of 8 Gb (approximately 1 GB) and features a 1G x 8 internal architecture, meaning it has a memory cell depth of 1G and a data bus width of 8 bits. This standard x8-bit-width design makes it ideal for integration into various memory modules (such as DIMMs and SO-DIMMs) and is widely used in electronic systems requiring high-density, high-bandwidth memory support.
The chip is housed in a 78-ball FBGA (Fine-Pitch Ball Grid Array) package. This compact packaging optimizes PCB layout, shortens signal transmission paths, effectively enhances electrical performance, and reduces electromagnetic interference.
Key Features: High Speed, Low Power Consumption, High Reliability
1. High-Speed Data Transfer Rates
The K4A8G085WC-BCTD supports data transfer rates up to DDR4-2666 (i.e., 2666 Mbps), corresponding to a core clock frequency of 1333 MHz. At this rate, a single chip can provide a theoretical bandwidth of approximately 21.3 GB/s (2666 Mbps × 8 bits / 8), representing a significant bandwidth improvement over the previous-generation DDR3 memory and effectively eliminating processor bottlenecks during data-intensive computations.
2. Low-Power Design
This chip strictly adheres to the DDR4 standard, with an operating voltage (VDD/VDDQ) of only 1.2V. Compared to the 1.5V voltage of DDR3, power consumption is reduced by approximately 20%. For laptops, portable devices, and servers and data centers with strict power consumption requirements, this translates to lower heat generation and improved energy efficiency.
3. Advanced Features
The K4A8G085WC-BCTD integrates several advanced features of the DDR4 era to ensure data transmission integrity and system stability:
CRC Error Checking: Performs checks during data transmission to ensure data accuracy.
ZQ Calibration: Optimizes I/O drivers and termination resistors through internal self-calibration to adapt to different system environments.
Dynamic On-Chip Termination (ODT): Dynamically adjusts termination resistors based on the signal transmission direction to improve signal integrity.
16-Bank and 8n Prefetch Architecture: Includes 4 bank groups, effectively improving concurrent memory access efficiency and overall bandwidth.
4. Operating Temperature Range
This model’s operating temperature range is 0°C to +95°C (TCASE), making it suitable for most commercial and consumer-grade application environments. Please note that when the operating temperature exceeds 85°C, the refresh frequency must be increased to ensure data reliability.
Manufacturer: SAMSUNG (Samsung Semiconductor)
Model: K4A8G085WC-BCTD
Storage Capacity: 8 Gb (1G x 8)
Memory Type: DDR4 SDRAM
Data Rate: 2666 Mbps (PC4-2666)
Operating Voltage: 1.2V (1.14V ~ 1.26V)
Package Type: 78-ball FBGA
Operating Temperature: 0°C ~ +95°C
Key Features: CRC Check, ZQ Calibration, Dynamic ODT, 16 Banks
Main Application Scenarios: Covers consumer electronics and industrial sectors
Thanks to its excellent performance balance, the K4A8G085WC-BCTD plays a vital role in the following key areas:
1. Personal Computers and Laptops
This chip is a core component in the construction of DDR4 memory modules (UDIMM/SO-DIMM). By combining multiple chips, system memory capacities of 4GB, 8GB, or even 16GB can be easily achieved, meeting the demands of various workloads ranging from everyday office tasks to high-performance gaming and graphic design. Its low-power consumption is particularly critical for extending laptop battery life.
2. Servers and Data Centers
In enterprise-class servers and edge servers, this chip forms the foundation of RDIMMs or LRDIMMs, providing processors with a high-speed data exchange space. Its high bandwidth and low latency significantly enhance a server’s ability to handle concurrent multi-task requests, while its low power consumption helps reduce overall data center operating costs (PUE).
3. Embedded Systems and Industrial Control
In applications such as industrial automation equipment, edge computing gateways, and smart factory controllers, this chip functions as cache or main memory, responsible for storing program instructions and sensor data in real time. Its standardized DDR4 interface and stable commercial-grade temperature range meet the requirements for long-term, stable operation in industrial environments.
4. AIoT and Smart Devices
As AI moves to the edge, an increasing number of AIoT devices—such as smart cameras, high-end routers, and in-vehicle infotainment systems—are placing higher demands on local memory bandwidth and capacity. The K4A8G085WC-BCTD delivers the required memory performance within a compact PCB footprint, enabling local AI inference and real-time data processing.
Why Choose Mingjiada Electronics?
Established in 1996, Shenzhen Mingjiada Electronics Co., Ltd. is a globally renowned authorized independent distributor of electronic components with over 28 years of industry experience.
Genuine Product Guarantee: We have established long-term partnerships with more than 500 well-known global brands; all components are sourced through official channels and are of reliable quality.
In-Stock Availability: We maintain long-term, stable inventory for popular models such as the K4A8G085WC-BCTD, enabling us to quickly respond to customers’ urgent production needs.
Global Network: Headquartered in Shenzhen, with branches in Hong Kong, Japan, and other locations, we have built a global supply network to ensure efficient logistics.
To request samples, documentation, or bulk purchase support for the K4A8G085WC-BCTD, please contact the Mingjiada Electronics sales team.
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