{"product_id":"a-tech-16gb-ddr4-pc4-21300-ecc-registered-rdimm-server-memory","title":"A-Tech 16GB DDR4 PC4-21300 ECC Registered RDIMM - Server Memory","description":"\u003cp\u003eOur review looks at the A-Tech 16GB Module for Lenovo ThinkServer RD450 and concludes it is a focused, dependable upgrade for servers that require ECC registered memory. The single biggest reason to buy is compatibility with Lenovo IBM part number 7X77A01302 while offering a manufacturer lifetime warranty and toll free technical support. This module is best for system administrators and IT professionals who need a 2666MHz, 288-pin RDIMM that matches the server's ECC registration type and delivers predictable, server-class operation.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity and speed:\u003c\/strong\u003e A 16GB density at DDR4 PC4-21300 2666MHz provides a solid balance of memory capacity and frequency for typical ThinkServer workloads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECC Registered:\u003c\/strong\u003e The module is ECC registered (RDIMM), which helps maintain system stability by detecting and correcting memory errors in supported server platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for installation in Lenovo ThinkServer RD450 and listed as equivalent to IBM\/Lenovo part 7X77A01302, easing parts replacement planning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage and form factor:\u003c\/strong\u003e Standard 1.2v operation and 288-pin DIMM form factor ensure it fits modern DDR4 server board requirements when the CPU and board support the spec.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer support:\u003c\/strong\u003e Genuine A-Tech brand backed by a lifetime warranty and toll free technical support gives administrators a safety net for long-term deployment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis module is aimed at IT professionals, system administrators, and businesses running Lenovo ThinkServer RD450 or compatible systems that explicitly require ECC registered memory. It suits environments where data integrity and server uptime are important and where matching ECC type across modules is already part of deployment practice.\u003c\/p\u003e\n\u003cp\u003eUsers with desktop systems, laptops, or servers that require unbuffered or non-ECC memory should look elsewhere, because this RDIMM is specifically ECC registered and will not function correctly in systems that do not support registered ECC DIMMs.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eServer-grade ECC registered design helps prevent memory corruption and supports stable long-term operation.\u003c\/li\u003e\n\u003cli\u003eListed equivalence to IBM\/Lenovo part 7X77A01302 simplifies sourcing compatible replacements for ThinkServer RD450.\u003c\/li\u003e\n\u003cli\u003eLifetime warranty and toll free technical support provide reassurance for deployments in production environments.\u003c\/li\u003e\n\u003cli\u003eStandard 2666MHz speed and 1.2v operation balance performance and power for many server workloads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMust be used with other modules of the same ECC type; mixing registered and unregistered DIMMs will prevent the system from functioning properly.\u003c\/li\u003e\n\u003cli\u003eNot suitable for non-server desktops or systems that do not support RDIMM modules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e16GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory type\u003c\/td\u003e\n\u003ctd\u003eDDR4 PC4-21300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e2666MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eECC\u003c\/td\u003e\n\u003ctd\u003eECC Registered (RDIMM)\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\u003ctr\u003e\n\u003ctd\u003ePin count\u003c\/td\u003e\n\u003ctd\u003e288-pin DIMM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent part\u003c\/td\u003e\n\u003ctd\u003eIBM\/Lenovo 7X77A01302\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe A-Tech 16GB RDIMM is a practical, cost-conscious choice for Lenovo ThinkServer RD450 owners who need server-grade ECC registered memory and prefer a reliable replacement with warranty-backed support. It represents good value for production servers so long as the system is configured for RDIMM modules and you do not mix ECC types.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this module work in a desktop PC?\u003c\/strong\u003e\u003cbr\u003eThis is an ECC registered RDIMM and is intended for compatible servers; most desktops do not support registered ECC modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix this module with non-ECC DIMMs?\u003c\/strong\u003e\u003cbr\u003eNo. All modules in the system must be the same ECC type; mixing registered and unregistered memory will prevent proper operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this compatible with ThinkServer RD450?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed for the Lenovo ThinkServer RD450 and is listed as equivalent to part 7X77A01302, but verify CPU and board support for 2666MHz RDIMM modules.\u003c\/p\u003e","brand":"A-Tech","offers":[{"title":"Default Title","offer_id":48232888565979,"sku":"B07NQV1JZG","price":47.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/714GX1u45KL._AC_SL1500_88e72f08-f7dc-4c68-8260-6d2dc54abc7d.jpg?v=1770757424","url":"https:\/\/gearmusthave.com\/products\/a-tech-16gb-ddr4-pc4-21300-ecc-registered-rdimm-server-memory","provider":"GearMustHave","version":"1.0","type":"link"}