Hard Drive, SSD and Memory Upgrade for HP Pavilion 27-a021 All-in-One Desktop (Touch)
HP Pavilion 27-a021 All-in-One Desktop (Touch) hard drive and memory specification, configuration, and compatible hard drive and memory upgrade options.
| Minimum Memory | upto 16GB |
| Maximum Memory | 16GB |
| Memory Connectors | 2 (Two Memory Socket) |
| Compatible Memory | DDR4 2133MHz |
| Compatible SSD | 2.5'' SATA III SSD |
| Compatible Hard Drive | 2.5'' or 3.5'' SATA HDD |

4GB PC4-17000 2133MHz DDR4 Non-ECC UDIMM Desktop Memory RAM 
8GB PC4-17000 2133MHz DDR4 Non-ECC UDIMM Desktop Memory RAM 
16GB PC4-17000 2133MHz DDR4 Non-ECC UDIMM Desktop Memory RAM 

Hard Drive (3.5 Inch) Upgrade Options for HP Pavilion 27-a021 All-in-One Desktop (Touch):
160GB 7200RPM SATA 3Gb/s 8MB Cache 3.5 Inch Desktop Hard Drive HDD 
250GB 7200RPM SATA 6Gb/s 8MB Cache 3.5 Inch Desktop Hard Drive HDD 
320GB 7200RPM SATA 6Gb/s 16MB Cache 3.5 Inch Desktop Hard Drive HDD 
500GB 7200RPM SATA 6Gb/s 16MB Cache 3.5 Inch Desktop Hard Drive HDD 
1TB 7200RPM SATA 6Gb/s 64MB Cache 3.5 Inch Desktop Hard Drive HDD 
2TB 7200RPM SATA 6Gb/s 256MB Cache 3.5 Inch Desktop Hard Drive HDD 

Hard Drive Upgrade Options for HP Pavilion 27-a021 All-in-One Desktop (Touch):
160GB 7200RPM SATA 3Gb/s 16MB Cache 2.5 Inch Laptop Hard Drive HDD 
250GB 7200RPM SATA 3Gb/s 16MB Cache 2.5 Inch Laptop Hard Drive HDD 
500GB 7200RPM SATA 6Gb/s 32MB Cache 2.5 Inch Laptop Hard Drive HDD 
1TB 5400RPM SATA 6Gb/s 128MB Cache 2.5 Inch Laptop Hard Drive HDD 
2TB 5400RPM SATA 6Gb/s 128MB Cache 2.5 Inch Laptop Hard Drive HDD 

Solid State Drive Upgrade Options for HP Pavilion 27-a021 All-in-One Desktop (Touch):
128GB SATA III 6Gb/s 3D NAND Flash 2.5 Inch Solid State Drive SSD 
256GB SATA III 6Gb/s 3D NAND Flash 2.5 Inch Solid State Drive SSD 
512GB SATA III 6Gb/s 3D NAND Flash 2.5 Inch Solid State Drive SSD 
1TB SATA III 6Gb/s 3D NAND Flash 2.5 Inch Solid State Drive SSD 
2TB SATA III 6Gb/s 3D NAND Flash 2.5 Inch Solid State Drive SSD 



















