Storage Comparison
Capacity 128GB |
Sequential Read 1.4GB/s |
Sequential Write 700MB/s |
Form Factor Apple 12+16 Pin |
Interface PCIe |
Protocol NVMe |
Controller Polaris |
NAND 3D MLC (48L) |
Capacity 128GB |
Sequential Read 1.4GB/s |
Sequential Write 700MB/s |
Form Factor Apple 12+16 Pin |
Interface PCIe 3.0 x4 |
Protocol NVMe 1.2 |
Designer Samsung |
Model Polaris |
Part Number S4LP077X01 |
Foundry Samsung |
Process Node 28nm |
Cores 5 |
DRAM Size 256MB |
DRAM Type LPDDR3 |
DRAM Bus Width 32-bit |
Speed 3733MT/s |
Manufacturer Samsung |
Codename V-NAND V3 |
Type 3D MLC (48L) |
Layers 48L |
Die Size 100mm² |
Die Capacity 256Gbit |
Die Bit Density 2.57Gbit/mm² |
NAND Chip Count 4 |
NAND Die Count 4 |
NAND Dies/Chip 1 |
Height 32.5mm (1.28")Width 90mm (3.54")Depth 2.4mm (0.09") |
Manufacturer Apple |
Model Gen 5 Pro |
Description 128GB Apple 12+16 Pin |
Part Number SM0128L |
Part Number 2 MZ-KKW128 |

