| ENVY 4 | 2 DDR3 SO-DIMM slots | 4 GB | Upgradable | 5 |
| ENVY 6 | 2 DDR3 SO-DIMM slots | 8 GB | Upgradable | 6 |
| ENVY 15 | 2 DDR3 SO-DIMM slots | 16 GB | Upgradable | 56 |
| ENVY 17 | 2 DDR3 SO-DIMM slots | 16 GB | Upgradable | 36 |
| ENVY 17 Leap Motion SE NB PC | 2 DDR3 SO-DIMM slots | 16 GB | Upgradable | 6 |
| ENVY dv6 | 2 DDR3 SO-DIMM slots | 16 GB | Upgradable | 22 |
| ENVY dv7 | 2 DDR3 SO-DIMM slots | 16 GB | Upgradable | 23 |
| ENVY Laptop 13-ad0xx | Soldered, no slot | | Not upgradable | 8 |
| ENVY Laptop 13-ad1xx | Soldered, no slot | | Not upgradable | 19 |
| ENVY Laptop 13-ah0xxx | Soldered, no slot | | Not upgradable | 10 |
| ENVY Laptop 13-aq0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 19 |
| ENVY Laptop 13-aq1xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 7 |
| ENVY Laptop 13-ba0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 10 |
| ENVY Laptop 13-ba1xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 13 |
| ENVY Laptop 14-eb0xxx | Soldered, no slot | | Not upgradable | 4 |
| ENVY Laptop 15-ep0xxx | 2 DDR4 SO-DIMM slots | 32 GB | Upgradable | 12 |
| ENVY Laptop 15-ep1xxx | 2 DDR4 SO-DIMM slots | 32 GB | Upgradable | 4 |
| ENVY Laptop 16-h0xxx | 2 DDR5 SO-DIMM slots | 32 GB | Upgradable | 8 |
| ENVY Laptop 16-h1xxx | 2 DDR5 SO-DIMM slots | 16 GB | Upgradable | 3 |
| ENVY Laptop 17-ce1xxx | 16 GB in every report, slot unconfirmed | | Check before you buy | 7 |
| ENVY Laptop 17-cg1xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 6 |
| ENVY Laptop 17-ch0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 8 |
| ENVY Laptop 17-ch1xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 5 |
| ENVY Laptop 17-cr0xxx | 2 DDR4 SO-DIMM slots | 32 GB | Upgradable | 10 |
| ENVY Laptop 17-cw0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 3 |
| ENVY m4 | 2 DDR3 SO-DIMM slots | 16 GB | Upgradable | 3 |
| ENVY m6 | 2 DDR3 SO-DIMM slots | 8 GB | Upgradable | 25 |
| ENVY m6 Notebook | 2 DDR3 SO-DIMM slots | 8 GB | Upgradable | 3 |
| ENVY m7 Notebook | 2 DDR3 SO-DIMM slots | 16 GB | Upgradable | 10 |
| ENVY Notebook | Varies by configuration | | Depends on the configuration | 38 |
| ENVY Notebook 13-ab0XX | Soldered, no slot | | Not upgradable | 3 |
| ENVY Pro 4-b000 Ultrabook PC | 2 DDR3 SO-DIMM slots | 8 GB | Upgradable | 3 |
| ENVY Sleekbook 4 | 2 DDR3 SO-DIMM slots | 12 GB | Upgradable | 3 |
| ENVY Sleekbook 6 PC | 2 DDR3 SO-DIMM slots | 8 GB | Upgradable | 5 |
| ENVY TS 15 | 2 DDR3 SO-DIMM slots | 16 GB | Upgradable | 11 |
| ENVY TS 17 | 2 DDR3 SO-DIMM slots | 16 GB | Upgradable | 8 |
| ENVY TS m6 Sleekbook | 2 DDR3 SO-DIMM slots | 8 GB | Upgradable | 5 |
| ENVY x360 2-in-1 Laptop 13-bf0xxx | Soldered, no slot | | Not upgradable | 13 |
| ENVY x360 2-in-1 Laptop 14-fa0xxx | Soldered, no slot | | Not upgradable | 3 |
| ENVY x360 2-in-1 Laptop 15-ew0xxx | 2 DDR4 SO-DIMM slots | 32 GB | Upgradable | 25 |
| ENVY x360 2-in-1 Laptop 15-ew1xxx | 2 DDR4 SO-DIMM slots | 32 GB | Upgradable | 5 |
| ENVY x360 2-in-1 Laptop 15-ey0xxx | 2 DDR4 SO-DIMM slots | 32 GB | Upgradable | 41 |
| ENVY x360 2-in-1 Laptop 15-fe0xxx | Soldered, no slot | | Not upgradable | 10 |
| ENVY x360 2-in-1 Laptop 15-fh0xxx | Soldered, no slot | | Not upgradable | 16 |
| ENVY x360 Convertible | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 13 |
| ENVY x360 Convertible 13-ag0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 16 |
| ENVY x360 Convertible 13-ar0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 25 |
| ENVY x360 Convertible 13-ay0xxx | Soldered, no slot | | Not upgradable | 72 |
| ENVY x360 Convertible 13-ay1xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 14 |
| ENVY x360 Convertible 13-bd0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 8 |
| ENVY x360 Convertible 13-y0XX | Soldered, no slot | | Not upgradable | 3 |
| ENVY x360 Convertible 13m-bd0xxx | 2 DDR4 SO-DIMM slots | 8 GB | Upgradable | 3 |
| ENVY x360 Convertible 15-bq1xx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 8 |
| ENVY x360 Convertible 15-cn0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 10 |
| ENVY x360 Convertible 15-cn1xxx | 2 DDR4 SO-DIMM slots | 8 GB | Upgradable | 5 |
| ENVY x360 Convertible 15-cp0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 13 |
| ENVY x360 Convertible 15-dr0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 6 |
| ENVY x360 Convertible 15-dr1xxx | 2 DDR4 SO-DIMM slots | 64 GB | Upgradable | 12 |
| ENVY x360 Convertible 15-ds0xxx | 2 DDR4 SO-DIMM slots | 32 GB | Upgradable | 18 |
| ENVY x360 Convertible 15-ds1xxx | 2 DDR4 SO-DIMM slots | 32 GB | Upgradable | 6 |
| ENVY x360 Convertible 15-ed0xxx | 2 DDR4 SO-DIMM slots | 24 GB | Upgradable | 8 |
| ENVY x360 Convertible 15-ed1xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 14 |
| ENVY x360 Convertible 15-ee0xxx | 2 DDR4 SO-DIMM slots | 32 GB | Upgradable | 44 |
| ENVY x360 Convertible 15-ee1xxx | 2 DDR4 SO-DIMM slots | 64 GB | Upgradable | 15 |
| ENVY x360 Convertible 15-es0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 6 |
| ENVY x360 Convertible 15-es1xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 3 |
| ENVY x360 Convertible 15-eu0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 29 |
| ENVY x360 Convertible 15m-bp0xx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 5 |
| ENVY x360 Convertible 15m-bp1xx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 3 |
| ENVY x360 Convertible 15m-bq1xx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 8 |
| ENVY x360 Convertible 15m-cn0xxx | 2 DDR4 SO-DIMM slots | 12 GB | Upgradable | 5 |
| ENVY x360 Convertible 15m-cp0xxx | 2 DDR4 SO-DIMM slots | 24 GB | Upgradable | 3 |
| ENVY x360 Convertible 15m-dr0xxx | 2 DDR4 SO-DIMM slots | 8 GB | Upgradable | 3 |
| ENVY x360 Convertible 15m-dr1xxx | 2 DDR4 SO-DIMM slots | 32 GB | Upgradable | 7 |
| ENVY x360 Convertible 15m-ds0xxx | 2 DDR4 SO-DIMM slots | 8 GB | Upgradable | 7 |
| ENVY x360 Convertible 15m-ed0xxx | 2 DDR4 SO-DIMM slots | 8 GB | Upgradable | 5 |
| ENVY x360 Convertible 15m-ee0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 12 |
| ENVY x360 Convertible 15m-es0xxx | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 5 |
| ENVY x360 Convertible 15m-eu0xxx | 2 DDR4 SO-DIMM slots | 32 GB | Upgradable | 12 |
| ENVY x360 m6 Convertible | 2 DDR4 SO-DIMM slots | 16 GB | Upgradable | 8 |