K4ZAF325BM-HC16 SAMSUNG DDR6 Memory Chip 16Gb 7200Mbps 1.1V Low-Power BGA Package

K4ZAF325BM-HC16 Product Overview

The K4ZAF325BM-HC16 is a next-generation DDR6 SDRAM memory chip from Samsung, manufactured using advanced 1a nm-class process technology. The K4ZAF325BM-HC16 offers a density of 16Gb (2GB), a data transfer rate of up to 7200Mbps, and operates at a low core voltage of 1.1V (VDD), housed in a high-density BGA package. The K4ZAF325BM-HC16 is specifically designed to meet the extreme bandwidth and energy efficiency demands of artificial intelligence (AI), high-performance computing (HPC), data center servers, and premium consumer PCs. Compared to the previous DDR5 generation, the K4ZAF325BM-HC16 delivers higher frequencies and lower latency at the same voltage, while incorporating enhanced on-die ECC (Error Correction Code) and improved refresh management mechanisms, significantly boosting signal integrity and system reliability. The K4ZAF325BM-HC16 supports 16-bit or 32-bit data width configurations and can be directly paired with CPU/GPU memory controllers, making the K4ZAF325BM-HC16 an ideal core component for building RDIMM, LRDIMM, or UDIMM modules. The K4ZAF325BM-HC16's lead-free environmentally friendly package and wide operating temperature range (0°C to +95°C) ensure stable operation in various high-performance computing scenarios.

K4ZAF325BM-HC16 Core Features

Density & Data Width: The K4ZAF325BM-HC16 provides 16Gb capacity, supports 16-bit / 32-bit data width, single-chip theoretical bandwidth up to 57.6 GB/s

Frequency & Data Rate: The K4ZAF325BM-HC16 achieves up to 7200Mbps (DDR6-7200), equivalent to 3600MHz, meeting AI training and high-speed data throughput needs

Low-Power Design: The K4ZAF325BM-HC16 features VDD core voltage 1.1V, VPP programming voltage 1.8V, approximately 15% lower power consumption at the same speed compared to DDR5

Advanced Error Correction: The K4ZAF325BM-HC16 integrates on-die ECC and transparent refresh management, effectively mitigating Row Hammer attacks and random bit flips to enhance data integrity

Package & Pinout: The K4ZAF325BM-HC16 comes in a high-density BGA package, compliant with JEDEC DDR6 standard pin layout, supports 288-pin or 340-pin module designs

Temperature Range: The K4ZAF325BM-HC16 operates in commercial grade 0°C to +95°C, suitable for server racks and high-efficiency cooling environments

Process Node: The K4ZAF325BM-HC16 is built on Samsung 1a nm advanced DRAM process, maintaining high density while optimizing leakage and dynamic power

K4ZAF325BM-HC16 Applications

AI & Machine Learning: The K4ZAF325BM-HC16 is ideal for AI inference/training servers, GPU accelerator memory, large language model (LLM) compute nodes

High-Performance Computing (HPC): The K4ZAF325BM-HC16 enables scientific computing clusters, weather simulation, genomic sequencing acceleration

Data Centers & Cloud Computing: The K4ZAF325BM-HC16 supports cloud CPU/GPU instances, CDN edge nodes, high-speed cache and database memory expansion

Premium Consumer Electronics: The K4ZAF325BM-HC16 powers flagship gaming PCs, high-performance laptops, embedded console memory subsystems

Networking & Communications: The K4ZAF325BM-HC16 is deployed in core routers, switch data buffers, 5G base station signal processing boards

K4ZAF325BM-HC16 Key Advantages

Next-Gen Bandwidth & Efficiency Benchmark: The K4ZAF325BM-HC16 delivers 7200Mbps data rate with 1.1V low voltage, delivering over 30% higher bandwidth than DDR5 at the same power, helping systems overcome the memory wall bottleneck.

Samsung 1a nm Advanced Process: The K4ZAF325BM-HC16 is built with Samsung's latest DRAM process technology, achieving 16Gb high-density integration while reducing cell leakage current, extending device lifespan under sustained high loads.

Enhanced Reliability & Data Security: The K4ZAF325BM-HC16 features built-in on-die ECC and Row Hammer protection that can automatically correct soft errors at high speed, meeting the 24×7 continuous operation demands of server-grade applications.

Flexible Module Compatibility: The K4ZAF325BM-HC16 complies with JEDEC industry standards, directly applicable to various RDIMM, LRDIMM, and UDIMM memory designs for easy system upgrades by integrators.

Low Latency & Efficient Scheduling: The K4ZAF325BM-HC16's optimized internal prefetch architecture and refresh strategy maintain high throughput while reducing access latency, especially suitable for random-access intensive workloads.

Lead-Free Environmental Package: The K4ZAF325BM-HC16 uses lead-free materials in its BGA packaging, compliant with RoHS and REACH standards, helping end products pass global environmental certifications.

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FAQ

1. What are the main improvements of K4ZAF325BM-HC16 over the previous DDR5 generation?
   
   • The K4ZAF325BM-HC16's bandwidth is significantly increased from 4800-6400Mbps (DDR5) to 7200Mbps, delivering about 30% higher peak bandwidth.
   • The K4ZAF325BM-HC16 achieves higher frequencies at the same 1.1V operating voltage, with enhanced on-die ECC and better data integrity.
2. What are the operating voltage and power consumption of this chip?
   
   • Core power (VDD) of the K4ZAF325BM-HC16 is 1.1V, and VPP is 1.8V, same as DDR5 standard, but dynamic power is lower at equivalent speeds due to the 1a nm process.
   • The K4ZAF325BM-HC16 supports multiple power-saving modes (self-refresh, deep sleep), ideal for servers and mobile workstations with strict energy efficiency requirements.
3. Which memory module types (RDIMM/UDIMM/SODIMM) does the K4ZAF325BM-HC16 support?
   
   • The K4ZAF325BM-HC16 complies with JEDEC DDR6 standards and can be used in RDIMM, LRDIMM, UDIMM, and even SODIMM designs.
   • The specific module type depends on the motherboard memory controller and PCB layout.
4. What are the PCB design and soldering requirements for the BGA package of the K4ZAF325BM-HC16?
   
   • The K4ZAF325BM-HC16 uses a standard DDR6 BGA package with fine pitch, requiring high-precision pick-and-place machines and reflow soldering.
   • PCB designs must strictly follow Samsung's recommended impedance (40-60Ω) and trace length matching for 7200Mbps high-speed signal integrity.
5. Can the on-die ECC of the K4ZAF325BM-HC16 completely replace module-level ECC?
   
   • On-die ECC primarily corrects random soft errors within the DRAM cells and cannot fully replace module-level ECC (like the parity-check memory controller in RDIMMs).
   • In data center scenarios, both work together to provide a higher level of data protection.
6. What performance gains can the 7200Mbps rate bring in real-world applications?
   
   • In bandwidth-sensitive tasks like AI inference and image rendering, higher memory bandwidth directly alleviates data movement bottlenecks, improving overall system performance by 15%-25%.
   • For large-scale database queries and scientific computing, high bandwidth significantly reduces the completion time for large matrix operations.
7. What is the operating temperature range of the K4ZAF325BM-HC16? Is it suitable for outdoor or industrial environments?
   
   • The standard commercial temperature range of the K4ZAF325BM-HC16 is 0°C to +95°C, suitable for data center AC rooms or high-performance PC enclosures.
   • For industrial (-40°C to +125°C) or automotive grades, please contact Samsung for specific industrial-grade variants.
8. How does the cost of K4ZAF325BM-HC16 compare to same-capacity DDR5?
   
   • As a next-generation product, initial costs of the K4ZAF325BM-HC16 are typically higher than equivalent DDR5, but cost-effectiveness improves with process maturity and mass production volume.
   • In the long term, the K4ZAF325BM-HC16 is the standard for next-gen CPU/GPU platforms, offering a longer product lifecycle and greater ecosystem value.
9. How can I ensure I purchase authentic and compliant K4ZAF325BM-HC16 chips?
   
   • It is recommended to purchase the K4ZAF325BM-HC16 through Samsung-authorized distributors or reputable electronic component channels, requesting original factory inspection reports and traceability codes.
   • Verify that the surface markings (e.g., "K4ZAF325BM-HC16" and Samsung logo) are clear and unaltered.
10. Will there be faster versions (e.g., 9600Mbps) of the K4ZAF325BM-HC16 in the future?
    
    • Samsung has planned higher DDR6 speed grades (such as 9600Mbps and 10600Mbps) for future process nodes (e.g., 1b nm).
    • The current 7200Mbps K4ZAF325BM-HC16 represents the mainstream high-performance tier, balancing speed and power consumption effectively.