Give MegaMan.EXE permanent upgrades to give him an edge in battles! Use our Mega Man Battle Network 4 Power Ups Guide to get them all!
Sub Memory
Getting these increases how many sub chips you can have.
| Area | Time | Location |
| Castillo | 1st | Ticket BMD |
| NetFrica | 1st | Nupopo Comp BMD |
| Castillo | 2nd | Castillo NetBattle Machine Comp BMD |
| Castillo | 3rd | Sharo Area BMD |
HP Memory
Gather these to increase MegaMan.EXE’s HP.
| Area | Time | Location |
| Internet | Once | ACDC Area 2 NetDealer (1000z) |
| Internet | Once | ACDC Area 2 NetDealer (3200z) |
| Internet | Once | Town Area 3 NetDealer (2500z) |
| Internet | Once | Town Area 3 NetDealer (6000z) |
| Internet | Once | Town Area 3 NetDealer (10000z) |
| Internet | Once | Netopia Area NetDealer (6000z) |
| Internet | Once | Netopia Area NetDealer (10000z) |
| Internet | Once | Netopia Area NetDealer (14000z) |
| Internet | Once | Undernet 1 NetDealer (10000z) |
| Internet | Once | Undernet 1 NetDealer (15000z) |
| Internet | Once | Undernet 1 NetDealer (20000z) |
| Internet | Once | Undernet 1 NetDealer (30000z) |
| Internet | Once | Undernet 5 NetDealer (30000z) |
| Internet | Once | Undernet 5 NetDealer (50000z) |
| Elec Town | 3rd | Elec Tower Comp 1 BMD |
| Elec Town | 1st | Elec Tower Comp 2 BMD |
| Elec Town | 2nd | Elec Tower Comp 2 BMD |
| Castillo | 3rd | Toy Robo Comp 1 BMD |
| Castillo | 1st | Toy Robo Comp 2 BMD |
| Castillo | 2nd | Toy Robo Comp 3 BMD |
| Castillo | 1st | Toy Robo Comp 4 BMD |
| NAXA | 1st | Meteor Comp 1 BMD |
| NAXA | 3rd | Meteor Comp 2 BMD |
| NAXA | 2nd | Meteor Comp 3 BMD |
| DenDome | 1st | Hotdog Comp BMD |
| Castillo | 1st | Castillo NetBattle Machine Comp BMD |
| YumLand | 2nd | Statue Comp BMD |
| DenDome | 2nd | Vending Machine Comp BMD |
| Castillo | 1st | Stand Comp BMD |
| Sharo | 1st | Antenna Comp 2 BMD |
| Internet | 1st | Town Area 1 PMD |
| Internet | 3rd | Town Area 3 PMD |
| Internet | 2nd | Park Area 1 BMD |
| Internet | 1st | Park Area 2 BMD |
| Internet | 3rd | Park Area 3 PMD |
| Internet | 1st | Netopia Area BMD |
| Internet | 3rd | NetFrica Area BMD |
| Internet | 2nd | Sharo Area BMD |
| Internet | 1st | Sharo Area BMD |
| Internet | 2nd | Undernet 1 BMD |
| Internet | 1st | Undernet 3 BMD |
| Internet | 3rd | Undernet 4 PMD |
| Internet | 1st | Undernet 4 BMD |
| Internet | 1st | Black Earth 1 BMD |
| Internet | 1st | Black Earth 2 BMD |
Regular UP
These handy chips increase the amount of memory available for Regular Chips.
| Area | Time | Location |
| Elec Town | 1st | Elec Tower Comp 1 BMD |
| Elec Town | 2nd | Elec Tower Comp 1 BMD |
| Elec Town | 3rd | Elec Tower Comp 2 BMD |
| Castillo | 2nd | Toy Robo Comp 1 BMD |
| Castillo | 1st | Toy Robo Comp 1 BMD |
| Castillo | 1st | Toy Robo Comp 3 BMD |
| Castillo | 2nd | Toy Robo Comp 4 BMD |
| Castillo | 3rd | Toy Robo Comp 4 BMD |
| NAXA | Once | Examine NAXA Lobby spacesuit |
| NAXA | 3rd | Meteor Comp 1 BMD |
| NAXA | 2nd | Meteor Comp 2 BMD |
| NAXA | 1st | Meteor Comp 2 BMD |
| NAXA | 2nd | Meteor Comp 4 BMD |
| Elec Town | 1st | Stereo Comp BMD |
| Elec Town | 1st | LCD Comp BMD |
| Elec Town | 2nd | LCD Comp BMD |
| DenDome | Once | Examine DenDome folded chair |
| Castillo | 2nd | Stand Comp BMD |
| NetFrica | Once | Examine Netfrica house |
| NetFrica | 1st | Lion Comp BMD |
| Sharo | 2nd | Computer Comp BMD |
| Sharo | 1st | Antenna Comp 1 BMD |
| Internet | 2nd | ACDC Area 1 BMD |
| Internet | 2nd | Town Area 1 BMD |
| Internet | 2nd | Park Area 1 BMD |
| Internet | 1st | Park Area 1 BMD |
| Internet | 1st | YumLand Area BMD |
| Internet | 3rd | YumLand Area PMD |
| Internet | 2nd | Netopia Area BMD |
| Internet | 1st | Undernet 1 BMD |
| Internet | 2nd | Undernet 2 BMD |
Mega Man Battle Network 4 Power Ups Guide Related Links
Check out some other Mega Man Battle Network Guides
- Mega Man Battle Network 3 – Version Differences
- Mega Man Battle Network 4 – Version Differences
- Mega Man Battle Network 5 – Version Differences
- Mega Man Battle Network 6 – Version Differences
- Mega Man Battle Network – Side Quests
- Mega Man Battle Network 2 – Side Quests
- Mega Man Battle Network 3 – Side Quests
- Mega Man Battle Network 4 – Side Quests
- Mega Man Battle Network 5 – Side Quests
- Mega Man Battle Network 6 – Side Quests
