Mass Effect 2: Upgrade Locations

Submachine Gun Damage

 * On Omega, right before the assault on Archangel. There is a door you have to bypass close to the gunship (easily missed).


 * Sold on the Citadel at Rodam Expeditions.
 * Sold on Ilium at Gateway Personal Defense.
 * During Thane's recruitment mission, just before the windy bridge.
 * On Ilium during Miranda's loyalty mission. Found in a shipping container after riding the first elevator.

Heavy Pistol Damage

 * Sold on the Citadel at Rodam Expeditions.
 * Sold on Tuchanka at Fortack's Database.
 * On Tali's recruitment mission on Haestrom, at the bottom of a stairwell at the first fight with the geth (easily missed).
 * On the Citadel during Thane's loyalty mission, immediately at the beginning on the 800 Wards on a datapad.
 * On Aeia during Jacob's loyalty mission, just after the barricade is destroyed with the rigged mech.

Assault Rifle Damage

 * In the quarantine area on Omega, just after a barricade of mercs.


 * Sold on Ilium at Gateway Personal Defense.


 * During Zaeed's loyalty mission on Zorya, on a computer, but only by sacrificing the workers (have to choose between Heavy Weapon Ammo and Assault Rifle Damage).
 * Sold on Tuchanka at Fortack's Database.
 * On Tali's recruitment mission on Haestrom, in the room blocked by the collapsed pillar.


 * During Samara's loyalty mission, on the wall in Morinth's apartment.

Shotgun Damage

 * Sold on Omega at Kenn's Salvage.
 * On Purgatory on a dead guard right after destroying the first large mech.
 * Sold on Tuchanka at Fortack's Database.
 * After Grunt's loyalty mission, awarded by the shaman automatically.


 * On the Derelict Reaper ship in the middle of a bunch of Scion and husk fights.

Sniper Rifle Damage

 * Sold on Omega at Omega Market.
 * On Korlus at the top of the stair case after the waves of Krogans.


 * Sold at Rodam Expeditions on the Citadel.


 * On the Derelict Reaper ship at the end of a long catwalk where Legion snipes some husks.
 * On the Citadel during Garrus' loyalty mission, in a hackable terminal just before raising the shutters.

Biotic Damage

 * On Horizon world on a dead collector when you first meet a Scion, after finding Delan (easily missed).
 * During Samara's recruitment mission in the small room with Elnora.
 * Sold on Tuchanka at Fortack's Database.
 * Sold on Illium at Serrice Technology.
 * On Pragia during Jack's loyalty mission, on a hackable computer right before fighting Kureck.

Tech Damage

 * On the main floor of Archangel's house during the assault.
 * Sold at Saronis Applications on the Citadel.
 * During Collector Ship Mission, after fighting the Praetorian.
 * Sold on Illium at Serrice Technology.
 * After Tali's loyalty mission, awarded after trial if Tali is found innocent either through Paragon/Renegade scores or by handing over evidence (and losing Tali's loyalty permanently).
 * After Normandy Crash Site (DLC only), unknown trigger for acquiring (all dog tags? planting monument? finding N7 helmet?)

Heavy Skin Weave

 * Sold on Omega at Kenn's Salvage.
 * On a dead collector on Horizon, just after first seeing husks.
 * Sold on Illium at Gateway Personal Defense.
 * On the Derelict Reaper ship in a computer after fighting your first Scion of the level.
 * On an N7 mission: N7: MSV Strontium Mule (Arinlarkan System, Omega Nebula). Located at the end of the mission on a hackable terminal with the payload.

Medi-Gel Capacity

 * Complete Dr Chakwas' side mission (brandy).
 * Sold at Sirta Foundations on the Citadel.
 * On Omega, inside Mordin's clinic in the quarantine zone.
 * Sold on Illium at Serrice Technology.
 * On Illium at during Miranda's loyalty mission on a dead merc after the first elevator ride and sub-machine gun upgrade (easily missed).

Heavy Weapon Ammo

 * On Freedom's Progress on the dead YMIR mech just outside Veetor's shack.
 * Sold on Omega at Kenn's Salvage.
 * During Mordin's mission on a hackable research terminal after the boss.
 * Sold on Tuchanka at Ratch's.
 * During Zaeed's loyalty mission by the fire extinguisher controls, only if trying to save workers (have to choose between Heavy Weapon Ammo and Assault Rifle Damage).
 * Reward for N7: Blood Pack Base (Shrike Abyssal, Xe Cha System, Planet Zada Ban) on N7 Mission.

Krogan Vitality

 * On Korlus in the same room you find Warlord Okeer.
 * On Tuchanka during Mordin's loyalty mission, in the same room as the dead female Krogan.

Damage Protection

 * On Purgatory in a destroyed YMIR mech right after freeing Jack.
 * Sold on the Citadel at Saronis Applications.
 * During Collector Ship Mission on a research terminal before encountering any collectors.
 * Reward for shutting down Geth Weather Machine on Canalus(Dirada System, Pylos Nebula)
 * Sold on Illium at Gateway Personal Defense. ?Does not sell it until after Collector mission

Geth Shield Strength

 * On a computer during Tali's loyalty mission, just after the first room.
 * During Legion's loyalty mission. During the room sparking the conversation about the size of the ship.
 * After Normandy Crash Site (DLC only), unknown trigger for acquiring (all dog tags? planting monument? finding N7 helmet?)