Western Digital Ultrastar DC HC690 30TB 3.5" SATA 7200RPM Data Centre Enterprise NAS Hard Drive pn63-s1 i5 125–1000 Hz polling rate and

125–1000 Hz polling rate and 400 IPS for top-grade performance

Acer Chromebook C910-3916

2 GHz CPU Architecture 64-bit x86 System Memory 32 GB UDIMM DDR4 ECC (2 x 16GB) Maximum Memory 128 GB (4 x 32 GB) Memory Slot 4 x UDIMM DDR4 Flash Memory 5GB (Dual boot OS protection) Drive Bay Front: 12 x 3

Envy X360 15-W100NW

Western Digital Ultrastar DC HC690 30TB 3.5" SATA 7200RPM Data Centre Enterprise NAS Hard Drive pn63-s1 i5 125–1000 Hz polling rate andRecord Breaking 30TB Capacity with 11 Disk SMR Design Built on the worlds first 11 disk Shingled Magnetic Recording (SMR) platform, the HC690 delivers up to 30TB of storage in a standard 3. 5" form factorideal for hyperscale data centers aiming to maximize storage density without increasing physical space. OptiNAND and UltraSMR for Optimized Performance Integrates Western Digitals OptiNAND technology and UltraSMR to enhance tracks per inch (TPI),