Alternate color or configuration shown AddOn Networks MEM2821-512D=-AO memory module 0.5 GB 1 x 0.5 GB DDR ECC AddOn Networks MEM2821-512D=-AO. Internal memory: 0.5 GB, Memory layout (modules x size): 1 x 0.5 GB, Internal memory type: DDR, ECC Manufacturer: AddOn Networks SKU: 4206504 Manufacturer part number: MEM2821-512D=-AO GTIN: 0821455003527 MSRP: $646.00 Price: $436.96 Qty: Add to cart Custom wishlist OK Add to wishlist Add to compare list Email a friend Add-On Computer's entire line of memory modules allows you and your business to be more efficient. Our memory line includes the most reliable & high performing memory modules. Overview Specifications Contact Us Add-On Computer's entire line of memory modules allows you and your business to be more efficient. Our memory line includes the most reliable & high performing memory modules. Products specifications Attribute name Attribute value Packaging data Package type DIMM Features Internal memory 0.5 GB Internal memory type DDR ECC Yes Memory layout (modules x size) 1 x 0.5 GB Product tags (51242)