Synology 16GB DDR4 SDRAM Memory Module - For NAS Server - DDR4-2666/PC4-21333 DDR4 SDRAM - 2666 MHz - Unbuffered - 288-pin DIMM Upgrade the memory in select Synology NAS units using the 16GB DDR4 2666 MHz UDIMM Memory Module from Synology. This single RAM module features a capacity of 16GB, a clock speed of 2666 MHz (PC4-21300), and a 288-pin DIMM form factor. It operates using 1.2V, features Error-Correcting Code (ECC) technology, and is unbuffered. This memory module is protected by a limited 5-year warranty.  Manufacturer Synology, Inc Manufacturer Part Number D4EC-2666-16G Brand Name Synology Product Name 16GB DDR4 SDRAM Memory Module Product Condition New Product Type RAM Module Technical Information Memory Size 16 GB Memory Technology DDR4 SDRAM Memory Voltage 1.20 V Memory Speed 2666 MHz Memory Standard DDR4-2666/PC4-21333 Error Checking ECC Signal Processing Unbuffered Device Supported NAS Server Physical Characteristics Number of Pins 288-pin Form Factor DIMM Miscellaneous Compatibility Synology NAS Servers: UC3200 SA3200D RS3618xs RS3617xs+ RS3617RPxs RS2818RP+ RS2418+ RS2418RP+ RS1619xs+ Country of Origin Taiwan WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. Please understand , this is only one of over 100,000 products offered for sale by antonline and shipped from our many different automated warehouses. There are no local stores or pick up. All the product information we have is provided by the manufacturer and in the item listing. Manufacturers change colors and item details frequently and often do not update pictures. We have no personal knowledge or experience with this product or ability to customize it. All items ship as addressed in an automated warehouse. The time to process and ship is listed prominently in each listing. It usually takes about a week to get your item. It may be faster or longer as shown in the listing or if credit check or special handling is required. There is no human intervention in the process. That is how we control costs and keep our prices so low. Paypal requires that we only ship to the verified Paypal address provided with the order. NO ADDRESS CHANGE IS POSSIBLE. Atlanta Network Technologies, Inc. We accept payment by: Paypal. Shipping to: United States Excludes: Alaska/Hawaii, APO/FPO, US Protectorates, PO Box. Antonline eBay Return Policy Returning an item purchased from antonline is easy and fully automated with our "Hassle Free Return Program". Please email to request an RMA link.