Solved gigabyte motherboard supports 32G DDR3 computer says only 16G usable

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rumrunner

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I recently built a new PC for gaming and the gigabyte motherboard manual says it's expandable to 32G. I put 4x8G sticks and the computer shows 32G but says only 16G is usable. What's up?
 

My Computer My Computer

At a glance

Windows 7 (64 bit) home premiumAMD FX8350 OC 4.8G4Gx4 Ballistics sport2 ea Zotac Z60901-10M GeForce GTX660
Computer type
PC/Desktop
Computer Manufacturer/Model Number
custom build
OS
Windows 7 (64 bit) home premium
CPU
AMD FX8350 OC 4.8G
Motherboard
Asus crosshair v formula-z
Memory
4Gx4 Ballistics sport
Graphics Card(s)
2 ea Zotac Z60901-10M GeForce GTX660
Sound Card
none
Monitor(s) Displays
20" HP backlit monitor
Screen Resolution
1600x900
Hard Drives
WD 1TB/Pioneer Blue Ray Combo Drive
PSU
thermaltake 1200w 80 Plus Gold
Case
antec
Cooling
Corsair H80I
Keyboard
Logitec
Mouse
microsoft
Internet Speed
26.82Mbps
Antivirus
Norton 360
Browser
IE 8
Other Info
GPU's are in a SLI configuration
Physical Memory Limits: Windows 7

The following table specifies the limits on physical memory for Windows 7.
--------------------- | ---------------- | ----------------
Version | Limit on X86 | Limit on X64
Ultimate | 4 GB | 192 GB
Enterprise | 4 GB | 192 GB
Professional | 4 GB | 192 GB
Home Premium | 4 GB | 16 GB
Home Basic | 4 GB | 8 GB
Starter | 2 GB | N/A
 

My Computer My Computer

At a glance

x64 (6.3.9600) Win8.1 Pro & soon dual boot x6...AMD A6-3420M APU with Radeon(tm) HD Graphics6.00 GBAMD Radeon(TM) HD 6520G
Computer type
Laptop
Computer Manufacturer/Model Number
HP Pavilion dv6-6c10us
OS
x64 (6.3.9600) Win8.1 Pro & soon dual boot x64 (6.1.7601) Win7_SP1 HomePrem
CPU
AMD A6-3420M APU with Radeon(tm) HD Graphics
Motherboard
Hewlett-Packard 1805
Memory
6.00 GB
Graphics Card(s)
AMD Radeon(TM) HD 6520G
Sound Card
(1) AMD High Definition Audio Device (2) IDT High Definiti
Monitor(s) Displays
HP W2072a 20" LCD (1600 x 900) @ 60 Hz
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
ST640LM0 00 HM641JI SATA Disk Device
Keyboard
Logitech k520 wireless KB
Mouse
Logitech m320 wireless mouse (bundled with KB)
Internet Speed
15/5 | 54 MB Wireless 'n'
Antivirus
Realtime: Defender or Avast | On-demand: Malwarebytes, ESET
Browser
IE 11 on Win8, IE 10 on win 7
Other Info
Media: [Gimp, Audacity, VLC] || Comm: [WEmail 2012, Skype] || Productivity: [OpenOffice,| Textpad] || Utils: [Sysinternals, cCleaner, Speccy, Defraggler]
Thanks

Thanks for the info. It explains a lot.
 

My Computer My Computer

At a glance

Windows 7 (64 bit) home premiumAMD FX8350 OC 4.8G4Gx4 Ballistics sport2 ea Zotac Z60901-10M GeForce GTX660
Computer type
PC/Desktop
Computer Manufacturer/Model Number
custom build
OS
Windows 7 (64 bit) home premium
CPU
AMD FX8350 OC 4.8G
Motherboard
Asus crosshair v formula-z
Memory
4Gx4 Ballistics sport
Graphics Card(s)
2 ea Zotac Z60901-10M GeForce GTX660
Sound Card
none
Monitor(s) Displays
20" HP backlit monitor
Screen Resolution
1600x900
Hard Drives
WD 1TB/Pioneer Blue Ray Combo Drive
PSU
thermaltake 1200w 80 Plus Gold
Case
antec
Cooling
Corsair H80I
Keyboard
Logitec
Mouse
microsoft
Internet Speed
26.82Mbps
Antivirus
Norton 360
Browser
IE 8
Other Info
GPU's are in a SLI configuration
Your welcome, glad I could help.

Do you have any other questions? If no, could you please mark this thread as solved?

Thanks
 

My Computer My Computer

At a glance

x64 (6.3.9600) Win8.1 Pro & soon dual boot x6...AMD A6-3420M APU with Radeon(tm) HD Graphics6.00 GBAMD Radeon(TM) HD 6520G
Computer type
Laptop
Computer Manufacturer/Model Number
HP Pavilion dv6-6c10us
OS
x64 (6.3.9600) Win8.1 Pro & soon dual boot x64 (6.1.7601) Win7_SP1 HomePrem
CPU
AMD A6-3420M APU with Radeon(tm) HD Graphics
Motherboard
Hewlett-Packard 1805
Memory
6.00 GB
Graphics Card(s)
AMD Radeon(TM) HD 6520G
Sound Card
(1) AMD High Definition Audio Device (2) IDT High Definiti
Monitor(s) Displays
HP W2072a 20" LCD (1600 x 900) @ 60 Hz
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
ST640LM0 00 HM641JI SATA Disk Device
Keyboard
Logitech k520 wireless KB
Mouse
Logitech m320 wireless mouse (bundled with KB)
Internet Speed
15/5 | 54 MB Wireless 'n'
Antivirus
Realtime: Defender or Avast | On-demand: Malwarebytes, ESET
Browser
IE 11 on Win8, IE 10 on win 7
Other Info
Media: [Gimp, Audacity, VLC] || Comm: [WEmail 2012, Skype] || Productivity: [OpenOffice,| Textpad] || Utils: [Sysinternals, cCleaner, Speccy, Defraggler]
Slartybart said:
Physical Memory Limits: Windows 7

The following table specifies the limits on physical memory for Windows 7.
--------------------- | ---------------- | ----------------
Version | Limit on X86 | Limit on X64
Ultimate | 4 GB | 192 GB
Enterprise | 4 GB | 192 GB
Professional | 4 GB | 192 GB
Home Premium | 4 GB | 16 GB
Home Basic | 4 GB | 8 GB
Starter | 2 GB | N/A
Click to expand...

Good call + 1

OP, if you want to use that extra 32 gig of RAM, you'll need to upgrade the OS.

Hopefully this serves as a lesson/warning to others the check their systems before spending money. In short, does your system qualify for the intended upgrade.

Peace :cool:
 

My Computer My Computer

At a glance

Windows 10 ProIntel Core i7-4770K (3.5Ghz)32 gig Corsair Dominator Platinum (4x8Gig)Sapphire Tri-X R9 Fury
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom built by me.
OS
Windows 10 Pro
CPU
Intel Core i7-4770K (3.5Ghz)
Motherboard
Gigabyte G1 Sniper 5 (F10 Bios)
Memory
32 gig Corsair Dominator Platinum (4x8Gig)
Graphics Card(s)
Sapphire Tri-X R9 Fury
Sound Card
Soundblaster ZXR
Monitor(s) Displays
NEC PA242W 24" LCD Monitor
Screen Resolution
1920 x 1200
Hard Drives
Primary - Samsung 850 Pro (512gig), Samsung 840 Pro (256gig), 2TB WD Caviar Black.
PSU
EVGA Supernova 1000 G2
Case
Cooler Master HAF X
Cooling
Corsair H100i with Corsair Air Series SP120 Quiet Fans
Keyboard
Logitech Wireless Wave
Mouse
Logitech Performance MX
Internet Speed
High Speed Cable
Antivirus
Norton Security
Browser
IE11
Other Info
Memory Timings - 1866MHz @ 9-9-9-27-1T @ 1.5 volts
unless you're heavily into video editing and have a top notch ££££ cpu then 32gb of ram is pointless.. the benifit wont out weigh the cost.
 

My Computer My Computer

At a glance

Windows 7 Ultimate x64, & Mac OS X 10.9.2Intel Core i5 2500kCorsair Vengence 8gb 1866mhzNvidia GTX 770 OC
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Built by badgers!!!
OS
Windows 7 Ultimate x64, & Mac OS X 10.9.2
CPU
Intel Core i5 2500k
Motherboard
Asus P8z68 LE
Memory
Corsair Vengence 8gb 1866mhz
Graphics Card(s)
Nvidia GTX 770 OC
Monitor(s) Displays
2x ASUS LED 22" IPS
Screen Resolution
3840x1080
Hard Drives
240GB Crucial M500 SSD
120gb Corsair Force 3 SSD
1TB Western Digital
PSU
Corsair HX650w Modular
Case
Corsair Air 540
Cooling
Corsair H60 Push/Pull
Keyboard
Corsair K70/ Logitech G27 wheel
Mouse
Saitek R.A.T 9
Internet Speed
Too slow!
Other Info
AMD fusion E350N Home server-Windows Home Server 2011 (also made by badgers!)
2011 Macbook 2.4ghz Core2Duo, 4gb ddr3, 120gb Ocz Vertex SSD
badger906 said:
unless you're heavily into video editing and have a top notch ££££ cpu then 32gb of ram is pointless.. the benifit wont out weigh the cost.
Click to expand...

I don't know, that depends on what you're doing. I mean if we want to call that, half the systems around here are pointless as most of them aren't even fulfilling half their potential. Do we really need unlocked CPU's or hexa-cores? More than 4 gig of RAM?

Based on the issue the OP is having, perhaps they should have done a bit more research before buying; outside of that, what's the harm in them getting as much RAM as their system can take?
 

My Computer My Computer

At a glance

Windows 10 ProIntel Core i7-4770K (3.5Ghz)32 gig Corsair Dominator Platinum (4x8Gig)Sapphire Tri-X R9 Fury
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom built by me.
OS
Windows 10 Pro
CPU
Intel Core i7-4770K (3.5Ghz)
Motherboard
Gigabyte G1 Sniper 5 (F10 Bios)
Memory
32 gig Corsair Dominator Platinum (4x8Gig)
Graphics Card(s)
Sapphire Tri-X R9 Fury
Sound Card
Soundblaster ZXR
Monitor(s) Displays
NEC PA242W 24" LCD Monitor
Screen Resolution
1920 x 1200
Hard Drives
Primary - Samsung 850 Pro (512gig), Samsung 840 Pro (256gig), 2TB WD Caviar Black.
PSU
EVGA Supernova 1000 G2
Case
Cooler Master HAF X
Cooling
Corsair H100i with Corsair Air Series SP120 Quiet Fans
Keyboard
Logitech Wireless Wave
Mouse
Logitech Performance MX
Internet Speed
High Speed Cable
Antivirus
Norton Security
Browser
IE11
Other Info
Memory Timings - 1866MHz @ 9-9-9-27-1T @ 1.5 volts
Yup, if the OP wants 32GB, it's no one's job to talk them out of it, their choice.
 

My Computer My Computer

At a glance

Windows 7 Ultimate X64 SP1Intel i5-2550K, Differing ~4.4-4.8GHz No buil...16GB G.Skill Sniper 1866MHz @ 2133MHz 2x8GBASUS GTX650TIB-DC2OC-2GD5, (650TI Boost)
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home Built Desktop By DataTech
OS
Windows 7 Ultimate X64 SP1
CPU
Intel i5-2550K, Differing ~4.4-4.8GHz No built in GPU
Motherboard
ASUS P8Z68-V PRO/GEN3
Memory
16GB G.Skill Sniper 1866MHz @ 2133MHz 2x8GB
Graphics Card(s)
ASUS GTX650TIB-DC2OC-2GD5, (650TI Boost)
Sound Card
Onboard Realtek 5-1
Monitor(s) Displays
Samsung P2570HD
Screen Resolution
1920x1080
Hard Drives
Samsung 840 Pro 256GB SSD for OS, 500GB Seagate Constellation (Enterprise drive) for Data
PSU
Corsair HX650W
Case
Inwin Dragon Rider
Cooling
Hyper 212 EVO w/two Noctua fans, push-pull, @1300 RPM
Keyboard
E-Z Eyes, bright yellow keys with large characters
Mouse
steelseries SENSEI Laser Pro Gaming
Internet Speed
48-51Mbs Mbs down, 11 Mbs up Xfinity Cable
Antivirus
Norton Internet Security 2013
Browser
IE 10, Opera, Pale Moon if needed
Other Info
4 case fans, LG BluRay-RE, ASUS DVD-RW, Mr. Fusion power supply, 1.21 gigawatts.
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