If you find 4 sticks that account only for 4gb each, then no wonder why you only have 48gb. from the same slot of ram, and this will clear that you have the same model number of memory. Each of them should account for 8gb in bios. I suggest you try each of your stick, which i guess should all have the same product number CMZ32GX3M4A2133C10 on it.

or you might have bought RMA'd memory which was swapped (someone bought a 4x8gb, then replace with his old same memory of 4x4gb and returned it for refund. Shop Purple n64 T-Shirt by extreme cashmere in SSENSEs seasonal Sale. Extreme G Nintendo 64 N64 Brand New Factory Sealed WATA Graded 7.5 A+ eBay 450.00: Report It: : Extreme G Nintendo 64 N64 New Sealed Wata 7.5 A Seal Low Pop 5 total graded eBay 499.99: Report It: : EXTREME G NINTENDO 64 VIDEO GAME SEALED NEW IN BOX VGA GRADED 85+ GOLD RARE eBay 318. I would make sure you have the product number checked, and try only one kit at a time and really make sure each of those sticks alone account for a real 8gb stick. If you have 2 kits of 4x8gb, did you really verify on the sticks themselves that you really are using 2 kits of 4x8gb, because if you play around with the ram, and still accounts for 48gb, i wouldn't be surprised that you have 2 kits, one 4x8gb (32gb) and another kit with only 4x4gb (16gb) which in total would be 48gb.

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