How much does this cost to the nearest dollar?

Samsung ECC/REG CL15 Server Memory
Specifications Mfr Part Number Mfr Part Number Type DDR4 Type DDR4 Capacity 16GB Capacity 16GB Speed Speed Size & Bit 2G x 72 Size & Bit 2G x 72 Pins 288pin Pins 288pin ECC Yes ECC Yes Registered Yes Registered Yes Dual Rank x4 Dual Rank x4 CL 15; 1.2V CL 15; 1.2V Samsung DDR4 Registered DIMMs (or RDIMMs) are designed with an additional hardware register between the DRAM module and the system’s memory controller RDIMMs are often the default choice for deployment in server-class computing systems. Samsung DDR4 memory is available as Registered DIMM that it provides an optimized solution for highly virtualized

Price is $51.00
Price: $51.49