Welcome to the store! 1. With good compatibility, it is an original disassembled part, and it can be 1GB or 2GB capacity, which is optional. 2. It is compatible with array cards such as for HP Smart Array p420 / p430 / p822 / p830. 3. The installation of such a module is simple and does not require particularly complicated operations. 4. For long-term durability, it is not easily damaged, so you can use it with confidence for a long time. 5. At the same time, it has a long service life and is not easily damaged, allowing you to use it for a long time. Item Type: Cache Module Manufacturer / OEM: For HP PN: 610674-001, 633542-001 Product Type: Storage Cache Module Form Factor: Module Cache Capacity: 1 GB / 2GB (Optional) Compatible Cards: For HP Smart Array p420 / p430 / p822 / p830 / p421 / FBWC 1 x Cache Module We strive to achieve your 100% satisfaction and provide you with a good shopping experience. If you have any questions after receiving the goods (different product quantities, damaged packages, etc.), please contact us in time! We will provide you with the best solution.