Samsung SM963 960GB 2.5" U.2 PCIe 3.0x4 NVMe 7mm Single Port Internal SSD Half-length (HHHL) 1 240 GB Mid 2011

1 240 GB                       Mid 2011 MacBookAir4

5" Mid 2011 Dual Hard Drive Kit Video

but it sometimes requires a few special supplies

x4 configuration RAM module is for use in DDR2 compatible systems and operates at 800 MT/s with an overall transfer rate of PC2-6400

Samsung SM963 960GB 2.5" U.2 PCIe 3.0x4 NVMe 7mm Single Port Internal SSD Half-length (HHHL) 1 240 GB Mid 2011Extreme Performance in any Scenario Advanced Performance and Endurance Extreme Performance and Endurance Samsung PM1725a 2. 5 inch PCIe U. 2 Samsung PM1725a PCIe HHHL AIC Samsung PM963 M. 2 PCIe (NVMe) Samsung PM963 2. 5 inch PCIe U. 2 Samsung SM963 M. 2 PCIe (NVMe) Samsung SM963 2. 5 inch PCIe U. 2 Ideal For Read Intensive Datacenter Applications Outstanding Mixed Workload Performance for Datacentres Perfect for Write Intensive Workloads Form Factor