Galaxy S7 will have either a 32 GB or 64 GB storage in some regions.
http://www.igalaxys7.com
http://www.cnet.com/how-to/samsung-galaxy-s7-galaxy-s7-edge-preorder-price-release-date/
https://www.macrumors.com/2016/02/21/samsung-announces-galaxy-s7-s7edge/
Model Name Galaxy S7
Display 5.1 inch Display (1440 X 2560 Resolution)
(Super AMOLED, Force Touch with TouchWIZ UI)
Processor Octa Core Snapdragon 820,
Exynos 8890, 64 bit Chipset
Dimensions 142.4 X 69.6 X 7.9 mm, 152 grams
SIM Nano SIM, Samsung Pay
Protection Corning Gorilla Glass 5,
IP68 Water & Dust Resistance
GPU Adreno 530, Mali-T880 MP12
~577 ppi pixel density
OS Android v6.0 (Marshmallow OS)
RAM 4 GB
Memory 32 and 64 GB,.. ← Here
Micro SD up to 200 GB
Camera 12 MP f/1.7 primary camera, 26 mm
5 MP Front facing camera with Dual Video call
Networking 2G, 3G, 4G LTE, HSPA, GSM support
v4.2 Bluetooth, NFC, Wi-Fi, A-GPS, GLONASS
Sensors Fingerprint, Retina Scanner, Auto HDR, Gyro, OIS,
Accelerometer, Barometer, Proximity, Heart Rate etc.
Battery 3000 mAh Non-Removable Battery