# Samsung M378A2G43AB3-CWE — 16GB DDR4-3200 UDIMM for Desktop PCs

> Samsung 16GB DDR4 SDRAM メモリーモジュール summary. Samsung M378A2G43AB3-CWE is a 16GB DDR4-3200 UDIMM module. Runs at 1.2V JEDEC with no XMP needed. A reliable upgrade for DDR4 desktop systems.

Tags: ddr4, samsung, 16gb, desktop-memory, 3200mt-s
Source: https://www.amazon.co.jp/dp/B0BW68D6GY
Article page: https://web-autoai.com/articles/samsung-16gb-ddr4-sdram?lang=en

Prices and ratings change over time — check the article page for the current values.

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This article covers Samsung 16GB DDR4 SDRAM メモリーモジュール.
Samsung M378A2G43AB3-CWE is a 16GB DDR4-3200 UDIMM memory module designed for desktop PCs. It operates at a standard 1.2V JEDEC voltage and uses a 288-pin DIMM form factor, ensuring broad compatibility. With a transfer speed of 3200 MT/s, it balances performance and power efficiency effectively. The memory consists of (2G x 8) x 8 chips, forming a single-rank layout. This module is ideal for users looking to upgrade or build a reliable DDR4-based system without venturing into overclocking. Samsung’s reputation for rigorous testing and long-term reliability makes this a solid choice for mission-critical or daily-use PCs. It slots into the mid-range segment, offering sufficient capacity for multitasking and productivity workloads.
This memory is a DDR4 UDIMM, compatible with motherboards featuring DDR4 slots. Supported platforms include Intel 200/300/400/500/600 series (DDR4 models) and AMD AM4 boards. Note that AMD AM5 and Intel 700 series (DDR5-only) are not compatible. Voltage is fixed at 1.2V JEDEC, so no XMP/EXPO configuration is required—the module runs at 3200 MT/s automatically if the CPU and motherboard support that speed. For guaranteed 3200 MT/s operation, pair this memory with an Intel 10th Gen or newer Core processor, or an AMD Ryzen 3000 series or newer. It also works well in older platforms like Intel 6th/7th Gen, but those CPUs may limit speed to 2133/2400 MT/s.
This module sits in the mid-range market: while DDR5 is becoming mainstream, DDR4 remains cost-effective for many users, and this Samsung stick offers stable, no-frills performance. Power consumption is minimal (around 1–2W), and no additional cooling is needed. The module lacks a heatsink, but that is standard for JEDEC memory and fine for most builds.
Existing DDR4 system upgrades – If you have a PC with 8GB or 16GB and need more capacity, adding this 16GB stick (or a pair for 32GB dual-channel) is a straightforward boost for multitasking and light creative work. Office/home productivity – For tasks like web browsing, spreadsheets, video conferencing, and coding, this memory provides ample headroom without the expense of high-speed XMP kits. * Budget home servers and NAS – Low power draw and high reliability make it suitable for 24/7 operation in small form factor or always-on systems. Samsung’s quality control reduces the risk of memory errors over long periods.
Two direct competitors in the same price tier are Crucial CT16G4DFRA32A and Kingston KVR32N22S8/16 (ValueRAM). Crucial uses Micron memory and is often slightly cheaper, but availability in Japan can be spotty. Kingston offers a broad compatibility database and is widely recognized. Samsung’s advantage lies in its OEM heritage—this module is identical to what many pre-built PCs use, ensuring excellent compatibility with those systems.
This memory does not support XMP or EXPO; it runs strictly at JEDEC 3200 MT/s with conservative timings. Enthusiasts looking for lower latency or overclocking headroom should consider kits with heat spreaders and tighter timings (e. g. , G. Skill Ripjaws V). Additionally, as DDR5 becomes the new standard, investing in DDR4 locks you into older platforms. If you are building a completely new PC from scratch, consider DDR5 for future-proofing. However, for extending the life of an existing DDR4 rig, this Samsung module is a cost-effective and reliable choice. Finally, note the absence of a heat spreader: while functionally fine, it lacks aesthetic appeal for windowed cases. If appearance matters, look for modules with heatsinks.

### Product Disclosure (Amazon)
- Manufacturer: サムスン(SAMSUNG)
- Seller: アズマット[適格請求書登録事業者]
- Fulfilled by: アズマット[適格請求書登録事業者]
- ASIN: B0BW68D6GY
- Note: This article covers a manufacturer-made product based on Amazon listing details.