{"product_id":"4gb-d4neso-2666-4g-replacement-ddr4-2666mhz-sodimm-nas-upgrade","title":"4GB D4NESO-2666-4G Replacement DDR4 2666MHz SODIMM - NAS Upgrade","description":"\u003cp\u003eOur review of the 4GB D4NESO-2666-4G replacement module finds it best suited for Synology DS220+ and DS224+ owners who need an affordable, reliable memory bump for routine NAS tasks. It delivers a clear practical benefit: a 4GB 260-pin DDR4-2666 SODIMM operating at 1.2 volts with CAS latency 19 that installs easily and restores or improves responsiveness for small home or office NAS setups. For anyone focused on cost-effective upgrades and straightforward compatibility, this module makes the upgrade process painless.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynology compatibility:\u003c\/strong\u003e Built to match the D4NESO-2666-4G specification so it fits Synology DS220+ and DS224+ slots without hassle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDDR4-2666 performance:\u003c\/strong\u003e 2666MHz speed helps reduce access times for files and small applications compared with lower-speed modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower efficiency:\u003c\/strong\u003e Operates at 1.2 volts which keeps power draw low inside a compact NAS chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable timings:\u003c\/strong\u003e CAS Latency 19 provides predictable memory timing for stable operation in everyday NAS workloads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime replacement warranty:\u003c\/strong\u003e Warranty coverage gives peace of mind for long-term use in an always-on storage device.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact SODIMM form factor:\u003c\/strong\u003e The 260-pin SODIMM fits the small memory bays used in compact NAS units, simplifying installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe module is aimed at home users, small offices, and IT hobbyists running a Synology DS220+ or DS224+ who want a low-cost, compatible memory upgrade to improve responsiveness for file access, light media serving, and modest virtualization use. It is also a sensible spare part for system builders maintaining multiple compact NAS units.\u003c\/p\u003e\n\u003cp\u003eIt is not intended for heavy-duty enterprise clusters or servers that demand high-capacity or ECC memory, nor for users who require large RAM capacities for heavy virtualization, database hosting, or intensive multi-user workloads where 4GB would be insufficient.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatibility with the Synology D4NESO-2666-4G spec makes installation straightforward for DS220+ and DS224+ owners.\u003c\/li\u003e\n\u003cli\u003eGood value for money when replacing a failed module or adding modest extra memory to a NAS.\u003c\/li\u003e\n\u003cli\u003eLow operating voltage and standard CAS Latency 19 provide stable, efficient operation in compact systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOnly 4GB capacity, which can be limiting for advanced multitasking or heavier NAS roles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm factor\u003c\/td\u003e\n\u003ctd\u003e260-pin SODIMM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e4GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory type\u003c\/td\u003e\n\u003ctd\u003eDDR4-2666 (PC4-21300)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e1.2 volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS Latency\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible devices\u003c\/td\u003e\n\u003ctd\u003eSynology DS220+ and DS224+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime replacement warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 4GB D4NESO-2666-4G replacement is a pragmatic choice for Synology DS220+ and DS224+ owners who need a reliable, low-cost memory module to restore or slightly improve NAS responsiveness. Its compatibility, standard DDR4-2666 speed, and lifetime replacement warranty make it a solid value for routine home and small office storage roles, though power users will want higher capacities.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this module fit my Synology DS220+?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed to match the D4NESO-2666-4G specification and fits the DS220+ memory slot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 4GB capacity enough for NAS use?\u003c\/strong\u003e\u003cbr\u003eFor basic file serving, backups, and light media streaming it is usually sufficient, but heavier multitasking or virtualization needs more RAM.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with warranty support?\u003c\/strong\u003e\u003cbr\u003eYes, the module includes a lifetime replacement warranty for peace of mind.\u003c\/p\u003e","brand":"Arch Memory","offers":[{"title":"Default Title","offer_id":48266233381083,"sku":"B08HR2D98P","price":45.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71JA3JC-IhL._AC_SL1500_073b6e71-fe48-4aa1-a0c8-f6287b0fa054.jpg?v=1778228666","url":"https:\/\/gearmusthave.com\/products\/4gb-d4neso-2666-4g-replacement-ddr4-2666mhz-sodimm-nas-upgrade","provider":"GearMustHave","version":"1.0","type":"link"}