{"product_id":"a-tech-16gb-ddr4-2133mhz-replacement-for-samsung-m378a2k43bb1-cpb","title":"A-Tech 16GB DDR4 2133MHz Replacement for Samsung M378A2K43BB1-CPB","description":"\u003cp\u003eIn this review the A-Tech 16GB DDR4 2133MHz module is judged as a straightforward, compatible RAM replacement for systems that accept a Samsung M378A2K43BB1-CPB module. The bottom line: this single 16GB UDIMM is for desktop users who need a reliable memory upgrade to improve multitasking and reduce load times. The reviewer found it to be an uncomplicated swap-in upgrade thanks to its standard 288-pin DDR4 DIMM form factor, 1.2V operation and industry-standard 2Rx8 organization, and notes A-Tech's lifetime warranty and US-based tech support as useful safeguards.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Replacement:\u003c\/strong\u003e Designed to match the Samsung M378A2K43BB1-CPB footprint so it installs in systems that accept that module without BIOS tinkering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16GB Capacity:\u003c\/strong\u003e A single 16GB module offers a clear performance uplift for everyday multitasking, browser tabs, and office workflows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDDR4 2133 MHz Speed:\u003c\/strong\u003e The PC4-17000 specification provides stable, standard DDR4 bandwidth suitable for older DDR4-compatible motherboards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnbuffered Non-ECC:\u003c\/strong\u003e The UDIMM non-ECC design is appropriate for mainstream desktops where ECC is not required, keeping latency and cost down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Voltage:\u003c\/strong\u003e Operates at 1.2V, the DDR4 standard, which helps maintain compatibility and conservative power draw compared with higher-voltage modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport and Warranty:\u003c\/strong\u003e Every module undergoes QA testing and is covered by a lifetime warranty with US-based tech support for setup and troubleshooting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis module is aimed at desktop users and small workstation owners who need a drop-in replacement or capacity upgrade and who are running motherboards that support DDR4 2133 MHz 288-pin UDIMMs. It fits systems that previously used a Samsung M378A2K43BB1-CPB or similar DDR4 2133 modules and want predictable, tested performance.\u003c\/p\u003e\u003cp\u003eIt is not intended for servers that require ECC memory, high-frequency overclocked gaming rigs seeking faster DDR4 speeds, or laptops that use SO-DIMM modules; buyers with those needs should look for ECC, higher MHz, or SODIMM form factors respectively.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReliable compatibility with the Samsung M378A2K43BB1-CPB form factor for easy installation.\u003c\/li\u003e\n\u003cli\u003eSolid 16GB capacity that noticeably improves multitasking and application responsiveness.\u003c\/li\u003e\n\u003cli\u003eLifetime warranty and US-based tech support provide peace of mind after purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e2133 MHz is a conservative speed compared with newer higher-frequency DDR4 modules, so it is not the choice for users chasing top benchmark numbers.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e16GB (1 x 16GB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eDDR4 DIMM 288-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e2133 MHz (PC4-17000 \/ PC4-2133P)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eECC\u003c\/td\u003e\n\u003ctd\u003eNon-ECC UDIMM (Unbuffered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRank\u003c\/td\u003e\n\u003ctd\u003e2Rx8 (Dual Rank x8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e1.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe A-Tech 16GB DDR4 2133MHz replacement is a practical, cost-effective upgrade for desktops needing a compatible swap for the Samsung M378A2K43BB1-CPB. It delivers dependable everyday performance, sensible power draw, and strong post-sale support, making it a good value for mainstream users who do not require higher-frequency RAM or ECC protection.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this module fit my desktop?\u003c\/strong\u003e\u003cbr\u003eIt fits desktops that accept 288-pin DDR4 UDIMMs and are compatible with DDR4 2133 MHz modules; check your motherboard manual for supported memory types.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this ECC memory?\u003c\/strong\u003e\u003cbr\u003eNo, this is Non-ECC unbuffered UDIMM intended for standard desktop systems rather than servers that require ECC.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat warranty and support are included?\u003c\/strong\u003e\u003cbr\u003eThe module comes with a lifetime warranty and complimentary United States based tech support before, during, and after purchase.\u003c\/p\u003e","brand":"A-Tech","offers":[{"title":"Default Title","offer_id":48601329795291,"sku":"B07SV56684","price":43.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71grh_jrFoL._AC_SL1500_0673bc44-a00e-4e47-a919-58a9de8ea9f7.jpg?v=1778585962","url":"https:\/\/gearmusthave.com\/products\/a-tech-16gb-ddr4-2133mhz-replacement-for-samsung-m378a2k43bb1-cpb","provider":"GearMustHave","version":"1.0","type":"link"}