Here is a list of Cdramas with English subtitles that can be purchased on Amazon. You can get to the respective Amazon page by clicking on the image.
Ten Miles of Peach Blossoms
Princess Agents
Rush to the Dead Summer
Lost Love in Times
The Advisors Alliance
Legend of the Condor Heroes (2017)
Legend of the Condor Heroes (1983)
The Heavenly Sword and Dragon Sabre (2002)
Red Sorghum
New My Fair Princess
Nirvan In Fire
The Mystic Nine
The Imperial Doctress
Chronicle of Love
Legend of Lu Zhen
Legend of Mi Yue
The Empress of China
Legend of Concubine Zhen Huan
Prince of Lan Ling
The Vigilantes in Masks
Scarlet Heart
Scarlet Heart 2
Sound of the Desert
Love Yunge from the Desert
The Lure of the Hua Xu Song
Allure Snow
The Palace II: The Lock Pearl Screen
Orphan of Zhao
Advisers of Criminal Law
Introduction of the Princess
The Virtuous Queen of Han
Mu Lan
Woman in a Family of Swordsman
Turbulence of the Mu Clan
The Great Emperor in Song Dynasty
Hero Cao Cao
Legend of Chu and Han
Journey to the West (2011)
The Merchants of Qing Dynasty
Water Margin (2011)
The Patriot Yue Fei
Heroes in Sui and Tang Dynasties
To avoid misunderstandings, please note that CdramaBase does not sell any DVDs. I simply searched for available official DVD boxes and put them together in this list in order to give people who might be interested in buying some an overview of what is available.